Charles Wetherbee
Violinist Charles Wetherbee has performed throughout the world, including Europe, Asia, the Middle East, Canada, Mexico, and the United States. A native of Buffalo, New York, Charles gave his first performances at age six. He made his debut with the Buffalo Philharmonic Orchestra under Symon Bychkov, and since then has performed with the National Symphony under Mstislav Rostropovitch, as well as the Japan Philharmonic, the Kyoto Symphony, the Concerto Soloists of Philadelphia, the Philharmonic Orchestra of Bogota (Columbia), the National Repertory Orchestra, the Orchestra Nacional de Mexico, the Symphony Orchestra of the Curtis Institute, the Buffalo Philharmonic, the Long Beach Symphony, and the Virginia Symphony, among others. The Washington Post called Wetherbee “a consummate artist…with flawless technique.” The Virginia Pilot said that he “…gave a performance of great conviction and emotion.” The Columbus Dispatch wrote “…a first rate showman…his double-stops, harmonics, and beautiful sound kept the audience spellbound.”

Charles is an assistant professor of violin at the University of Colorado at Boulder, joining the faculty in 2012. A devoted chamber musician, he is the first violinist of the Carpe Diem String Quartet, with whom he tours and performs regularly. As a recording artist, he is represented on Naxos, Seize the Music Records, Weasel Records, Vienna Modern Classics, and Cascade labels. Mr. Wetherbee has been the recipient of numerous honors, including the Ashworth Artist and the George Hardesty awards. In 2002 Charles was able to acquire one of the world’s great violins, the Widenhouse 44.


Annamaria Karacson, assistant concertmaster
Hungarian-born Annamaria Karacson has resided in Boulder with her family since 1986. After completing her studies at the Franz Liszt Academy of Music in Budapest, she became assistant concertmaster of the Hungarian Opera and Philharmonic Orchestras and of the Festival Orchestra, which she also helped establish. She won First Prize in the Hungarian Opera’s violin competition and was a recipient of the Bartók-Pásztory award. Ms. Karacson continues her orchestral playing in Colorado as assistant concertmaster of the Boulder Philharmonic and the Boulder Bach Festival Orchestra and as concertmaster of the Mahler Festival Orchestra. Also an active chamber musician, Ms. Karacson has appeared with University of Colorado music faculty members on numerous occasions and is first violinist of the Columbine String Quartet.

Veronica Pigeon
Veronica Pigeon, violinist, fell in love with the violin at age 6 under her vibrant teacher, Alliree Meyers. Other teachers include Basil Vendryes, Yumi Hwang-Williams, Linda Wang, and Matt Means, (BM and Orchestral Certificate, DU, ’03-‘07); Lina Bahn at CU Boulder (MM, ’09-‘11); Simin Ganatra of the Pacifica Quartet at the University of Illinois C-U (Quartet Studies, ‘11-‘12). Veronica held positions including Concertmaster, Lakewood Symphony (‘07-11); Principal 2nd, Denver Philharmonic (‘07-‘08); 1st Violin, Greeley Philharmonic Orchestra (‘13-‘15); substitute for Central City Opera (2015). Current positions include 1st Violin, Boulder Philharmonic (‘08-present), and 2nd Violin, Opera Colorado (‘13-present). In April 2015, she performed as first violin for Elvis Costello’s Juliet Letters for quartet and voice with FHSU faculty, and taught students during the Cottonwood Festival at Fort Hays. This spring, she performed concerts for elementary schools in the Boulder Philharmonic Education String Quartet, culminating in a sensory-friendly performance for families with autism on April 10, 2016 at Boulder Library. Veronica received Suzuki certification under James Maurer (2003-2007), and has a private studio year-round. Teaching highlights include coaching chamber music and orchestra and serving as substitute for Boulder Suzuki Strings (2012-present), and teaching at FHSU’s High Plains Music Camp (2013 & 2014). She currently teaches at Edgewater Elementary School for City Strings, an outreach program via Augustana Arts for underprivileged students.

Yenlik Bodaubay Weiss
Dr. Yenlik Weiss is a dedicated chamber musician and orchestra performer. In addition to maintaining contracts with the Boulder Philharmonic, Redlands Symphony, and San Bernardino Symphony Orchestras, she has performed with the Santa Barbara Symphony Orchestra and Santa Barbara Opera, Pasadena Symphony Orchestra, Pasadena Pops, Riverside Symphony Orchestra, Long Beach Symphony Orchestra, Fresno Philharmonic, Marina del Rey Symphony, Colorado Music Festival, Aspen Choral Society, and served as an Associate Concertmaster of the Colorado Mahler Festival and Boulder Chamber Orchestra. She has been a featured soloist for the Steamboat Springs Chamber Orchestra, Aurora Symphony, on Colorado Public Radio, and performed numerous chamber solos in the US, Europe, and Asia. Originally from Kazakhstan, Yenlik completed her Masters in Violin Performance in Cleveland and received her Doctorate of Musical Arts from the University of Colorado at Boulder. As a freelance musician in Los Angeles, she performed with Sir Elton John, Sarah McLachlan, and Earth Wind & Fire among other contemporary performers, and performed at the Walt Disney Concert Hall.

Gyongyver Petheo
Hailing from Budapest, Hungary, Gyöngyvér (Georgina) Petheö is a dedicated violin instructor, an entrepreneur and an active performer in the Boulder and Denver region. She began her career in the Hungarian Symphony Orchestra and subsequently settled in Colorado in 1986. She has since performed as a professional violinist with the Central City Opera Orchestra, Boulder Bach Festival Orchestra, Boulder Philharmonic Orchestra, Colorado Symphony Orchestra, Greeley Philharmonic Orchestra and Colorado Ballet, among others. Georgina’s biggest passion for music lies in teaching. She received her music diploma with a concentration in violin pedagogy from the prestigious Franz Liszt Academy of Music in Budapest, Hungary. An avid chamber musician, Georgina has established her own small business, Columbine Entertainment, which provides chamber musicians for a special event, such as a wedding (for more information, please visit She enjoys reading, traveling, chamber music, and spending time with her family.


Leah Mohling, principal
Leah grew up in Boulder but currently splits her time between Minnesota and Colorado. After graduating from Fairview High School, she earned a Bachelor’s and Master’s degree from Boston University in violin performance. She moved on to become a member of full-time orchestras such as the New World Symphony, Louisiana Philharmonic, New Mexico Symphony, as well as the Sarasota Opera Orchestra. Summer festivals include Des Moines Metro Opera, Spoleto Festivals (USA & Italy), Breckenridge Music Institute, and National Repertory Orchestra, among others. Leah has run three marathons and loves to hike the Colorado peaks. She enjoys her position as Associate Personnel Manager of the Minnesota Orchestra, but always looks forward to her time with the Boulder Phil!

Sharon Park, assistant principal
Violinist Sharon Park has performed extensively throughout the U.S. as a soloist, orchestral and chamber musician in some of the most prestigious concert venues including Carnegie Hall, Zipper Hall, Merkin Hall and Jordan Hall. Ms. Park received 2nd Prize and the Audience Favorite award at the 2014 Bruce Ekstrand Memorial Instrumental Competition and has received top prizes at the Stradivarius International Violin Competition, ARTS Award by the National Foundation for Advancement in the Arts and the Bronislaw Kaper Awards. Working closely with New England Conservatory composer and theory professor Pozzi Escot, Ms.Park has given quartet performances of her works in Vermont, Boston and Hawaii. As a founding member of the Azur String Quartet, the New York Times praised the group for giving “a supple, convincing” performance of Walter Piston’s Fifth String Quartet during the Focus Festival at The Juilliard School’s Peter J. Sharp Theater. Ms. Park earned her Master’s degree from The Juilliard School and Bachelor’s degree from the New England Conservatory. Former teachers include Ronald Copes, Donald Weilerstein, Robert Lipsett and Michelle Kim. Currently, Ms. Park is pursuing a DMA at CU Boulder studying with Edward Dusinberre and Harumi Rhodes.

Sarah Delevoryas
Sarah is a violinist with over 30 years experience as a teacher and orchestral performer. She lives in Broomfield and maintains a Suzuki violin/viola studio in her home. She has been a member of the Boulder Philharmonic since 1997. She is the Concertmaster of the Broomfield Symphony. Other orchestral experience includes: Concertmaster of the Flatirons Symphony Orchestra, Principal 2nd Violin of the Boulder Chamber Orchestra, Fremont Symphony, Monterey Symphony, Santa Cruz Symphony and Concertmaster of the Livermore Symphony. She holds a music degree from the University of California, Santa Cruz.

Paul Trapkus
A native of Davenport, Iowa, Paul Trapkus is an active music teacher, performer, composer, and advocate. After receiving his bachelor’s degree in violin performance and music education from the University of Michigan, Paul has been directing the orchestra program at Silver Creek High School in Longmont, which has grown to over 100 students. He started a fiddle group, composition club, mentoring program, and orchestra weightlifting club at the school. He has also served as a board member for Colorado All State Orchestra and Longmont Youth Symphony and as a judge for regional orchestra festivals. In 2014, Paul made the documentary “Carry the Tune” with students Elizabeth Potter and Kelvin DuVal. The film received an Award of Merit from the San Francisco Film Awards the following year and continues to receive favorable reviews from music education experts and journals. The documentary highlights music as an avocation, focusing on why and how to continue making music after high school. Paul has played in the Boulder Philharmonic since 2011 and has also played in the Boulder Chamber Orchestra, MahlerFest, and Flint Symphony Orchestra. He has performed in many summer festivals, including the National Repertory Orchestra, Round Top, Chautauqua, and Meadowmount.

Azaduhi Vieira
Azaduhi Vieira was born in Bulgaria where she began her music education at the age of seven. Three years later she was accepted in Dobri Hristov School of the Arts in her hometown of Varna. In 1994, Azi immigrated to Long Island, New York, completing high school while also attending the Mannes School of Music Pre-College division in Manhattan, where she graduated with honors in 1997. While studying with Dr. Chin Kim at Mannes, she performed in Carnegie Hall with the Gemini Youth Symphony Orchestra, as well as giving numerous solo performances in Steinway Hall and other performing venues in the Manhattan and Long Island areas. In 2002 she completed her Bachelor of Music degree in Violin Performance at Louisiana State University where she studied with Professor Kevork Mardirossian. While a student at LSU, Azi was a member of the first violin sections of the Baton Rouge Symphony and Acadiana Symphony Orchestras. In 2002, she won a position in the second violin section of the Colorado Springs Symphony Orchestra, and in 2003 she won a position in the Boulder Philharmonic. Azi was a student of Professor Oswald Lehnert at the University of Colorado at Boulder, where she completed her Master of Music degree in Violin Performance in May, 2005. During her tenure at the University of Colorado Azi was awarded the Graduate Teaching Assistantship and was a member of the Ichos String Quartet, which received First Prize in the Music Teachers National Association National Chamber Music Competition. In 2006, Azi won a position in the first violin section of the Colorado Springs Philharmonic. In the same year she was also appointed Concertmistress of the Colorado Springs Chamber Orchestra where she served in that position until 2008. Azi moved permanently to Colorado Springs in 2005 and since then has built her violin studio. She enjoys teaching children and adults, performing orchestral music, and loves giving chamber music concerts.


Aniel Cabán
Aniel Cabán began his viola studies at the age of 8 in San Juan, Puerto Rico. He has attended world renowned summer music festivals including Interlochen Arts Camp, Meadowmount School of Music, National Repertory Orchestra, Festival Casals de Puerto Rico, The Yehudi Menuhim Chamber Music Festival and The Sarasota Music Festival. His primary instructors have included Stanley Konopka, Erika Eckert, Eugene Becker and Guillermo Figueroa. He has studied Chamber Music with Peter Salaff, James Dunham, The Takács String Quartet, The Cavani String Quartet, Anne Epperson and Robert Levin. Mr. Cabán received a Bachelor of Music Degree in Viola Performance from the Cleveland Institute of Music (2002) and a Master of Music from the University of Colorado-Boulder (2006), where he was the recipient of The Gabor Ormai Viola Award. He has held the position of Principal Viola of the Boulder Chamber Orchestra since 2005 and is also a section member of the Boulder Philharmonic and the Greeley Philharmonic Orchestras. Other local ensembles where he has been a regular player include the Fort Collins and Cheyenne Symphony Orchestras. Mr. Cabán is a also an active chamber musician in the Boulder area collaborating with local and guest artists such as Opus Two, David Korevaar and Andy Stein among others. He currently holds the position of Violin and Viola Instructor at the Flatirons String Academy and Viola/Chamber Music faculty of A Mid-Summer Day’s Dream String Camp in Boulder.

Stephanie Mientka
Ms. Mientka holds a bachelor’s degree from the University of Colorado at Boulder, and a master’s degree from Rice University in Houston, TX. She was also awarded full merit scholarships for both degrees. Her principal viola teachers are Erika Eckert, Geraldine Walther, and Ivo-Jan van der Werff. As an active orchestral musician, Ms. Mientka is a member of the Boulder Philharmonic, and held the position of associate principal viola with Colorado Springs Philharmonic during 2014–2015 season. She is also a regular substitute for Colorado Symphony, and has performed with Shreveport Symphony in Louisiana and Mercury Baroque orchestra in Houston. Summer festivals include Aspen Music Festival, National Repertory Orchestra, Idyllwild Summer Music Festival, and several notable master-classes in Germany and Italy. Ms. Mientka is also an active chamber musician, and a founding member of the Deciduous Trio (flute, viola, harp), which performs regularly throughout the USA. In 2006 she became a member of the crossover Celtic band FEAST. Besides numerous concerts in Colorado, the band has twice toured Germany and the USA. PBS filmed two of the band’s spectacular Irish shows, and the resulting films have been broadcast on television and submitted for both an Emmy and a Grammy. Ms. Mientka is currently co-artistic director of the Western Slope Concert Series in Grand Junction, Colorado, which she operates with her mother, Kathryn Mientka.


Charles Lee, principal
Dr. Charles C. Lee, cellist/composer/conductor, received his bachelor’s degree in composition/piano from the Eastman School of Music where he won the Bernard Rogers composition award. After receiving a master’s degree in cello performance at Temple University under Jeffrey Solow, he moved to Boulder to pursue a Doctor of Musical Arts degree under Judith Glyde at the University of Colorado, which he received in 2004. Dr. Lee has been principal cellist of the Boulder Philharmonic orchestra since 1998, and principal cellist of Colorado Ballet Orchestra since 2002. In addition to performing actively in the region as a chamber musician, he also appears frequently with the Central City Opera House and the Colorado Symphony Orchestras. Dr. Lee is currently serving as instructor of cello, conductor of the string ensemble and director of chamber music at the Regis University in Denver.

Anne Brennand
Cellist Anne Brennand is a member of the Boulder Philharmonic and the Greeley Symphony. She has also played in the St. Mary’s Baroque Orchestra, Colorado Ballet, Cleo Parker Robinson Dance, Denver Chamber Orchestra, Fort Collins Symphony, Cheyenne Symphony, Springfield Orchestra, Northeastern Philharmonic, Pennsylvania Ballet, Hudson Valley Philharmonic, and the Albany Symphony Orchestra. She has participated in the Domaine School for Conductors and Orchestral Musicians and the Peter Britt Festival Orchestra in Ashland, Oregon. Ms. Brennand holds a Master of Music in cello performance from the University of Colorado at Boulder, where she received the Denes Koromzay Chamber Music Award, and a Bachelor of Fine Arts from the California Institute of the Arts. Principal teachers have been Ann Marie Morgan, Judith Glyde, Ronald Leonard, and her father, Charles Brennand. She is a member of the Serenata String Quartet in Boulder, and teaches students of all ages.

Yoriko Morita
Yoriko Morita is a freelance cellist in the Boulder/Denver area. She is a member of the Boulder Philharmonic Orchestra, and regularly collaborates with other chamber musicians in various settings. As part of the Sonora Chamber Ensemble, she has helped commission, premiere, and record new music by contemporary composers. Yoriko holds a cello performance degree from Lawrence University, and her teachers have included Janet Anthony, Calvin Wiersma, Judith Glyde, and Natasha Brofsky. She is also a proud mom of two music-loving children, and holds Ph.D. and MBA degrees from CU Boulder.

Eleanor Wells
Eleanor Wells, cellist, graduated from the North Carolina School of the Arts high school division in 1995 and went on to study at the University of Colorado, Boulder, as a full scholarship student with Judith Glyde. While at the University of Colorado, she received the Denes Koromzay Quartet Award and placed in the finals of the honors competition two years in a row. She also spent several summers at the Eastern Music Festival and the Aspen Music Festival. Her teachers have included John Erhlich, Yehuda Hanani, Robert Marsh, and Charles Wendt. Ms. Wells received her M.M. from the University of California at Santa Barbara where she studied with Geoffrey Rutkowski. Currently, she is pursuing a doctor of musical arts degree at CU Boulder. She is also a member of Boulder Philharmonic, Central City Opera and the Colorado Ballet.


Bob Orecchio
A Colorado native, Bob Orecchio began playing the bass at the age of 10. He received his Bachelor of Music degree in Double Bass performance from the University of Colorado at Boulder in 1996, where he studied with Paul Erhard. After college, he also studied privately with the late Ken Harper of the Colorado Symphony. As a student, Bob received a scholarship from the Boulder Philharmonic and played with the orchestra as a student member. He officially joined the orchestra in 1997. In addition to his passion for classical music, Bob is a wine enthusiast and amateur horticulturist. He enjoys sharing his hobbies with his family and friends.


Kathleen Wychulis, principal
Kathleen Wychulis, principal harp of the Lincoln Symphony and Boulder Philharmonic, is a native of Omaha, Nebraska. She graduated cum laude from the Cleveland Institute of Music, studying with Alice Chalifoux and Yolanda Kondonassis, and received her Master of Music degree from Rice University as a student of Paula Page. A Fulbright grant recipient in 2001, Ms. Wychulis traveled to Australia where she studied with Alice Giles at the Australian National University in Canberra. She has performed nationwide as an orchestral soloist and harpist, chamber musician, and recitalist. Active as a supporter of arts non-profits, Kathleen has served on the board of the Omaha Chamber Music Society and the Great Plains Harp Chapter. She has given numerous masterclasses and teaches at the University of Nebraska-Omaha as well as maintaining a private studio in Omaha.


Douglas William Walter, principal
Versatile musician Douglas Wm. Walter has an excellent international reputation as a marimba & vibraphone artist in both the classical and jazz fields. The only keyboard mallet artist to win first prize in the Concert Artists Guild Competition in NYC, Walter has performed over 300 solo recitals & concerti in Canada, France, England, Ukraine, Lithuania, Norway, Brazil, Greece, Switzerland and 40 of the United States. An accomplished orchestral musician, Dr. Walter has performed with the Dallas, Flint, Fort Worth, Santa Fe Opera, Oregon, Colorado Ballet (468 Nutcrackers so far), Philadelphia, Salem & Terre Haute Symphony Orchestras, and the Sunriver & Colorado Music Festival Orchestras, among others. Since 1992 he is Principal Percussionist/Timpanist with the Boulder Philharmonic Orchestra. He plays annual tours in the USA with the Westminster Brass since 1990. As director of percussion studies at the University of Colorado at Boulder, Dr. Walter teaches undergraduate through doctoral students and directs the marimba and percussion ensembles. Dr. Walter graduated summa cum laude from the North Texas State University with a double degree in music education and music theory. He studied with Charles Owen during his two masters degrees at the University of Michigan, and Alan Abel while earning his doctorate from Temple University. His BA degree in French at UCB was named summa cum laude in 2009. A Yamaha Artist Clinician since 1986, Douglas Walter endorses Encore Mallets and Sabian Cymbals. Doug enjoys teaching and playing music-IMMENSELY.


Paul Mullikin, assistant principal
Paul Mullikin graduated from Denver School of the Arts in 2001 and received a Bachelor’s Degree in Percussion from Denver University in 2005. He has worked with the Colorado, Fort Collins, and Greeley Symphonies, and is currently the assistant principal percussionist with the Boulder Philharmonic. As a drumset player, he performs regularly with many of Denver’s finest jazz groups. Paul also enjoys teaching private lessons at the Denver Music Institute and at his home studio.


Michael Tetreault
Michael Tetreault holds a Bachelor of Music from the Eastman School of Music in Rochester, NY and a Master of Music Degree from the Royal Academy of Music in London, UK. Michael is currently Principal Timpanist of the Central City Opera, Fort Collins Symphony and Percussionist with the Boulder Philharmonic. Michael has performed domestically and abroad with the Colorado Symphony, Colorado Ballet, Opera Colorado, Central City Opera, Orchestre de Paris, London Soloists Chamber Orchestra, Royal Scottish National Orchestra, RTE Concert Orchestra (Dublin), Ulster Orchestra (Belfast), and the Halle Orchestra (Manchester). As a chamber musician Michael has collaborated with Quattro Mani, Alarm Will Sound, Ann Murray and was a founding member of the London Steve Reich Ensemble. He has performed at festivals in England, Scotland, Ireland, Holland, Germany, and France and has recorded extensively for Albany Records, Warner Bros. Records, Bridge Records, Sony Classical, RTE Radio/TV and the British Broadcasting Corporation (BBC).


Elizabeth Sadilek-Labenski, principal
Elizabeth Sadilek-Labenski has been a member of the Boulder Philharmonic Orchestra since 2002. She is also a member of the Colorado Ballet and Opera Colorado orchestras. During her tenure as Associate Professor of Flute at Iowa State University, she received ISU’s prestigious University Foundation Award for Early Achievement in Teaching and was a winner of the National Flute Association’s Performers Competition. Dr. Sadilek-Labenski holds a DMA from the Peabody Institute of the Johns Hopkins University, an MM from Northwestern University, and a BM with Teacher Certification from the University of Iowa. Her primary teachers include Robert Willoughby, Walfrid Kujala, Bonnie Lake, and Betty Bang Mather. Dr. Sadilek-Labenski has performed, lectured, and held master classes throughout the United States, Europe, and Russia, and has been heard on numerous radio broadcasts across North America. Her publications include transcriptions for flute ensemble and woodwind quintet (Southern Music). Most recently she co-authored the book Johann Sebastian Bach’s Partita in A Minor for Solo Flute BWV 1013 with Emphasis on the Allemande: Historical Clues and New Discoveries for Performance (Theodore Presser) with UI Professor Emeritus Betty Bang Mather. Dr. Sadilek-Labenski lives in Edwards with her husband, John, and three musical sons, Stefan, Adam and Marek.


Sarah Bierhaus, principal
Dr. Sarah Mellander Bierhaus, oboe/English horn, was born and raised in upstate New York. In addition to being Instructor of Oboe and English horn at the University of Northern Colorado, she is a member of the Antero Winds, formerly known as the Arundo Winds, a Boulder, Colorado-based woodwind quintet with whom she won first prize in the Plowman Chamber Music Competition and a silver medal in the wind division of the 2006 Fischoff National Chamber Music Competition. Ms. Bierhaus is the principal oboist of the Boulder Philharmonic and Fort Collins Symphony Orchestras and plays second oboe and English horn in the Central City Opera orchestra. Her extensive orchestral experience has also included performances with the Colorado Symphony, Colorado Springs Philharmonic, Binghamton Philharmonic, Cayuga Chamber Orchestra, numerous college ensembles, and the Rochester Philharmonic Youth Orchestra. As a soloist, she has performed with the Finger Lakes Symphony, Rochester Philharmonic Youth Orchestra, the Carleton College orchestra, and the CU-Boulder Symphony Orchestra.

Max Soto
Max began his musical education with the Orquesta Sinfonica Juvenil de Costa Rica which allowed him to study with Principal Oboist Jorge Rodriguez and helped to cultivate a passion for Classical Music and the Oboe. Max arrived in the USA in 1996 at the Loyola University of New Orleans and received his Bachelor of Arts in Music Performance. Max began his professional career performing a season with the Louisiana Philharmonic Orchestra as Assistant Principal Oboist. Max moved to Denver in 2002 in order to pursue his Masters Degree in Music Performance. He attended the Lamont School of Music at Denver University and graduated in 2004. Max went on a whirlwind tour of the United States and Canada performing The Pirates of Penzance with the London based Carl Rosa Opera Company in 2007. He has performed with the Colorado Ballet, Fort Collins Symphony, Steamboat Springs Orchestra, Emerald City Opera, and Cheyenne Symphony Orchestra and appears at various music festivals with small ensembles all over the state of Colorado. In addition to playing with the Boulder Philharmonic, Max also appears as Assistant Principal Oboist of the Greeley Philharmonic Orchestra and Principal Oboist for the Musica Sacra Chamber Orchestra.


Stephanie Zelnick, principal
Stephanie Zelnick is the Associate Professor of Clarinet at the University of Kansas. She previously held principal clarinet positions in the Central City Opera, Mississippi Symphony, Prague Chamber Symphony, the Colorado Ballet, and the Greeley Philharmonic Orchestras. In addition to her tenured positions, Dr. Zelnick has appeared with various other orchestras including Colorado, Kansas City, Houston, and Tucson Symphonies. She has performed throughout the United States, Asia, South America, and Europe to great critical acclaim. Her performing has been broadcast in a wide variety of international settings: from NPR to features on Serbian and Italian television. Recent performances and masterclasses include the Juilliard School, the Eastman School of Music, the Florida State University, the University of Michigan, and Carnegie Hall. Dr. Zelnick’s recordings can be heard on the Innova, Accademia del Clarinetto, and Naxos labels, among others. She has released two solo albums, Diaspora and Diversions: the Midcentury Clarinet. With Mariam Adam she is a founder of the AdZel Duo, a group that is dedicated to establishing cultural dialogues through music and outreach for students in developing communities. Dr. Zelnick previously served on the faculties of the University of Northern Colorado and the University of Wyoming. She received degrees from Rice University, University of Northern Colorado, and the Academy for the Performing Arts in Prague as a Fulbright Scholar. In addition to her performing, she is a member of the National Peer Review Committee for the J. William Fulbright Committee. She is a Buffet Crampon Artist-Clinician.


Michael Yopp, principal
Michael Yopp currently holds the positions of principal horn in the Boulder Philharmonic Orchestra and acting principal horn in the Colorado Springs Philharmonic Orchestra. In addition, he performs extensively in Colorado’s Pikes Peak region and beyond including engagements with ensembles such as the Saint Paul Chamber Orchestra, Opera Colorado, Opera Theater of the Rockies, the Colorado Symphony Orchestra, Denver Brass, and Pro Musica Colorado. Yopp has taken the stage as soloist in performances with ensembles including the Chamber Orchestra of the Springs, First United Methodist Church’s Sacred Concert Series, and Grace Episcopal Church’s Taylor Memorial Concert series. In the summer, he tries to fit in some backpacking and biking among several summer series and festivals including the Crested Butte Music Festival and the Sunriver Music Festival. Outside of these many musical roles, he enjoys time with his wife, Jennifer, and two children. In 2006, Yopp founded Comprehensive Computer Consulting, an IT consulting company, which continues to grow steadily. He is also an active practitioner of Taekwondo, having earned his black belt rank in 2015.

DeAunn Davis
DeAunn Davis currently holds the position of Assistant Principal Horn with the Boulder Philharmonic in Boulder, Colorado. She is currently teaching horn at the University of Nevada, Reno. Prior to living in Reno, DeAunn earned a Doctor of Musical Arts degree at the University of Utah in Salt Lake City. She has performed extensively in the Chicago-land area and was a founding member of the critically-acclaimed experimental chamber group Fifth House Ensemble. DeAunn was a member of the Civic Orchestra of Chicago while earning her Bachelor of Music degree at Northwestern University, and earned her Master of Music degree from DePaul University in Chicago. She has been an artist in residence at Yale University, the New England Conservatory, and Carthage College in Kenosha, Wisconsin. DeAunn has also performed with the Honolulu Symphony, the Utah Symphony Orchestra, and traveled to Haiti in 2012 as a faculty member with the Ecole de Musique Sainte Trinité Woodwind Festival.


Kenneth Aikin
Ken has been a freelance trumpet player in the Boulder area since moving to Colorado in 1986. He has played 2nd trumpet with the Boulder Philharmonic since 1987. He has also performed with the Boulder Brass, the Colorado Ballet, the Colorado Music Festival and the Greeley Philharmonic. He also enjoys playing chamber music and jazz.


Roberta Goodall
Roberta Asmus Goodall was born and raised in Fort Collins Colorado. She earned Bachelor and Master’s degrees from Arizona State University where she studied with CU alum David Hickman. In addition to performing with the Boulder Phil, which she joined in 2002, Roberta is a member of the Classical Brass quintet, does freelance work across the front range and teaches private trumpet and piano lessons. Previously, she was principal trumpet in the Central City Opera Orchestra, a member of the Denver Brass and the Arizona Opera Orchestra. Extensive brass quintet experience includes performing with the Faculty Brass Quintet at the Banff Centre for the Arts in Canada, and recording and touring with Heavy Metal Brass Quintet in Tucson, AZ of which Roberta was a founding member. She lives in Centennial with her husband and two daughters.


Bron Wright, principal
Bron Wright currently serves as Principal Trombonist with the Boulder Philharmonic, Colorado Springs Philharmonic, Opera Colorado, and Central City Opera orchestras. In 2013 he served as Principal Trombone of the Colorado Symphony Orchestra and as a former member of the Louisiana Philharmonic in New Orleans and the Charleston Symphony in South Carolina. Bron has appeared as a concerto soloist with the Colorado Springs Philharmonic and the New England Symphonic Ensemble and has toured extensively to over 40 countries. He has performed and toured on numerous occasions with the Boston Symphony, Boston Pops, Utah, Colorado, and New World symphony orchestras under such conductors as Seiji Ozawa, Kurt Masur, Robert Spano, James Conlin, Sir Neville Marriner, John Williams, Keith Lockhart, Michael Tilson-Thomas and Valery Gerkiev. He has received fellowships with such festivals as the Pacific Music Festival in Sapporo, Japan; the American Russian Artists Orchestra in Russia; the AIMS Festival Orchestra in Graz, Austria; and the Tanglewood Music Center in Lenox, MA. At just 15 years of age Bron was selected to perform as a soloist for Queen Noor and King Hussein at the Jerash International Music Festival in Amman, Jordan. He currently serves as Professor of Trombone at both the University of Colorado Denver and Metropolitan State University of Denver.

Jeremy Van Hoy
Mr. Van Hoy is presently bass trombonist with the Colorado Springs Philharmonic, Boulder Philharmonic and the Denver Brass. After growing up in Detroit, he received music performance degrees from the University of Michigan (B.M.) and Northwestern University (M.M.). His teachers were Fritz Kaenzig and Frank Crisafulli, respectively. As euphonium soloist, Mr. Van Hoy has performed with the Denver Municipal Band, Denver Brass, Ann Arbor Chamber Brass, Boulder Brass, Colorado College Band, Livonia (MI) Symphony, and the Pikes Peak Brass Band. In 1996, he was the 1st Prize winner at the Leonard Falcone International Euphonium Competition. Other accomplishments include being the first bass trombonist selected to the Tanglewood Music Center twice, and selection to the Sir Georg Solti Orchestral Project at Carnegie Hall. Mr. Van Hoy is an active freelancer, having performed frequently with the Detroit, St. Louis, New Mexico and Colorado Symphonies. Mr. Van Hoy gave his New York recital debut on April 5, 1998 in Merkin Concert Hall, in a program that featured five works written especially for the soloist. During the 2004-05 school year, he was instructor of euphonium at the University of Colorado-Boulder, holding a one-year position. Mr. Van Hoy is the Band Director and Low Brass Instructor at Colorado College.