top of page

Dr. Rebekah Hanson  |  President  |  EMail     


Lillian Manus  |  President-Elect

Dr. Lisa M. Zweben  |  Past-President


Lily Burton  |  Secretary


Dr. Sharon Eng  | Treasurer


Dr. Lisa Robertson  |  Chorda Editor and Eastern OR rep


Clarisse Atcherson  |  NW OR and SW WA rep


Jessica Lambert  |  Central OR rep


Krista DeBolt  |  Southern OR rep


Kristi Stingle  |  Webmaster 

Advisory Board 


Diane Chaplin  Membership and ASTACAP Chair


Dr. Tomas Cotik  |  All-State Chair

Dr. Valdine Ritchie Mishkin  |  Masterclass Chair

Paloma Griffin Hébert  |  Solo Competition Chair

Oregon ASTA 2022-2023 Board

Screen Shot 2021-12-02 at 5.06.34 PM.png
Rebekah Hanson.jpeg
Lily Burton Secretary.jpg
Sharon Eng Treasurer.jpg
Diane Chaplin Membership.jpg

2022 - 2023 OR-ASTA Board

Dr. Rebekah Hanson, President

Rebekah Hanson, violist and violinist, holds a Doctorate of Musical Arts from the University of Oregon in Performance and String Pedagogy with an emphasis in Musicology. Rebekah has been at George Fox University since 2012 and teaches applied violin and viola lessons, Music History, and directs the University Chamber Orchestra and Chamber Music Ensembles.

Rebekah has been teaching both violin and viola in Newberg for over 15 years. Her students have won awards, including the NAfME All-Northwest Orchestras, Suzuki Association of the Americas Young Artist Violin and Viola Ensembles, Concertmaster of the University of Oregon Symphony and George Fox University Concerto Competition winners (8 years in a row!). Rebekah is a music reviewer for the ASTA Journal and will be speaking at the ASTA Conference in March. In addition to teaching, Rebekah loves hiking, spending time with her dog, Emmylou, and playing board games.

Lillian Manus, President-Elect

From 2009-2020, Lillie was a faculty member at the University of Oregon School of Music and Dance, where she mentored graduate violin and viola pedagogy students, served as the Assistant Director of the Community Music Institute, and taught courses within the music education department.


She is currently completing her doctorate at Teachers College, Columbia University, where her research focuses on studio teachers' holistic strategies for cultivating expressive performance in young violinists.

Dr. M. Lisa Zweben, Past-President

Dr. M. Lisa Zweben is a professional violinist and violist teacher and conductor. A native of Washington D.C., Lisa earned a Bachelor of Fine Arts in Violin Performance from the State University of New York, College at Purchase. She also attended the University of Miami in Coral Gables, Florida, where she earned a Master of Music in Violin Performance and Doctor of Musical Arts in Viola Performance. Principal teachers include Charles and Heidi Castleman. Lisa has been a member of many orchestras including the Royal Opera of Ghent, Belgium, the Naples Philharmonic in Naples, Florida, and the Miami City Ballet. Prior to moving to Portland in August 2010 Lisa lived in Virginia for fifteen years and was active both as a performer and teacher. I addition to maintaining a studio of private violin and viola students she served as a teacher in a public schools strings program, after-school strings programs and youth orchestra programs. Lisa also served as an instructor on the faculty of Virginia Tech in Women’s Studies and as a violin teacher and chamber music coach at Washington and Lee University. She continues to teach and perform here in Portland and during the summer at the Castleman Quartet Program.

Lily Burton, Secretary

Lily Burton received degrees in violin performance from the University of Cincinnati and the Cleveland Institute of Music. She is a former member of the Atlanta Symphony, Honolulu Symphony, and San Francisco Ballet Orchestra. Her passion for teaching began in Corvallis, Oregon, where she was an Elementary Strings instructor in the public schools. Since moving to the Portland area in 2006, she has been an extra with the Oregon Symphony and is concertmaster of Portland Chamber Orchestra and the Portland Festival Symphony. She also plays chamber music with Waters Chamber Players. She remains a devoted teacher who thoroughly enjoys her studio of violin students.

Sharon Eng, Treasurer

Violist Sharon Eng has performed worldwide with her trio, Classical Nuances (oboe, viola, piano) for more than 20 years on five continents. While studying for her bachelors and masters in viola performance at the Juilliard School in New York City, she played in the American Ballet Theatre and NYC Opera orchestras. Professionally, Dr. Eng toured China twice as co-principal viola of the Polish Sinfonietta, maintains a private violin studio in Portland, is on the strings faculty of Portland Parks and Recreation, co-founded Madrona Viola Duo and the Raphael Spiro String Quartet, and is president of the Oregon Viola Society. She freelances with many local ensembles, among them-- Oregon Coast Music Festival and stints with the Portland Opera, Portland Symphonic Choir, Newport, Rogue Valley, Corvallis, and Vancouver Symphony Orchestras, among many. Since 2003, Dr. Eng has served on the summer faculty of the Intermuse lnternational Music Institute and Festival (IIMIF) at Mount St. Mary's Univ. in Emmitsburg, Maryland ( Eng has been a member of ASTA for over 40 years and currently sits on the board of the Oregon Chapter of the American Strings Teacher Association. Her board qualifications include a doctorate (PhD) in international nonprofit management and 25 years as a development aid specialist managing USAID, Asian Development Bank and Australian AID projects ranging in grants of $25,000 to $8 million. Dr. Eng is currently adjunct associate professor on the Faculty of Business, Government and Law at the University of Canberra in Australia (

Diane Chaplin, Membership Chair

Diane Chaplin is a solo artist, chamber music cellist and nurturing music educator who lives Portland, Oregon. She tours around the U.S. as a featured member of the Portland Cello Project, and is often heard in solo and chamber music performances across the globe. She is on the faculty at Linfield College, where she teaches privately, directs the Linfield Cello Ensemble and conducts the Large String Ensemble; she is also Program Coordinator for the Chamber Music Camp of Portland, where she conducts the Advanced Chamber Orchestra. Diane has taught at Yale University, Bard College, Oberlin Conservatory and most recently at the Castleman Quartet Program, and has given master classes in the U.S., Canada, Mexico, The Netherlands, Bosnia and Russia. 


As a member of the Colorado Quartet for twenty years, Diane performed in more than twenty countries and recorded several critically acclaimed albums. The Quartet was the first all-female string quartet to perform the complete quartets of Beethoven in both North America and Europe. Diane received a BFA degree from the California Institute of the Arts as a student of Cesare Pascarella, and a Master of Music degree from The Juilliard School, where she studied with Harvey Shapiro. She holds a Special Prize from the International Cello Competition in Viña del Mar, Chile, and a Certificate from the International Tchaikovsky Competition in Moscow. This past summer she made her Italian solo recital debut and she is currently in the process of recording a solo CD, Il Violoncello Capriccioso.

bottom of page