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Kyle Schneider is in his 13th year of music education, and has spent the last 12 years in Alaska. Kyle attended Illinois State University, receiving his Bachelor’s in Music Education in 2007 with focuses in Vocal Performance and Ethnomusicology. Kyle currently teaches 7-8 Mixed Choir, 9-12 Concert Choir, 9-12 Swing Choir, 9-12 Guitar, and 9-12 History in Homer, AK. Kyle is an active chorister, director, actor, and soloist with Kenai Peninsula Community Choir, Kachemak Chorale, Pier One Theatre, and Kenai Peninsula Singers,  an alumni of four seasons of the Midwest Institute of Opera, serves as director of music ministry at St. John the Baptist Catholic Church, and maintains a small private studio. He has also served as presider, presenter, and adjudicator for various festivals and conferences. Kyle resides in Homer with his wife, Beth, and their Newfydoodle, Wrigley. He is a diehard Chicago Cubs and Chicago Blackhawks fan, and in his spare time, enjoys baking, cooking, fishing, photography, and traveling.

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Filled by special election


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Sidney Hudson is director of choirs and piano at South Jr. High School in Boise, Idaho. She received her Bachelor of Music at Boise State University, and her Master of Music in Choral Conducting from the University of Northern Colorado. Teaching since 1983, in Colorado, Washington and Idaho, she has served 18 years at the high school level and 20 years in junior high and middle level. Sidney augments her teaching with involvement in community music, serving as Artistic Director of The Boise Women’s Chorus, and performing with several of her colleagues in Essential Jazz, a semi-professional vocal jazz ensemble made up of 16 music educators and musicians from the Boise Valley. Her school and community choirs have toured regionally and nationally, and performed for regional and state conferences. She clinics and adjudicates locally and around the Northwest, and looks forward to serving ACDA to rebuild, recharge, and recover alongside resourceful educators.


President - Elect

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Charlotte Colliver is entering her 23rd year as choir director at Sacajawea Middle School in Bozeman, Montana where she teaches six of the seven choirs.  Mrs. Colliver holds a bachelor's of music education degree from the University of Missouri - Kansas City Conservatory of Music.  She also holds a Master's of Music Piano Performance degree from Truman State University in Kirksville, Missouri.  She is a member of ACDA and NAfME and is the Montana ACDA President and is active as a guest conductor, clinician, festival adjudicator and has presented interest sessions and had performing choirs at ACDA and NAFME conferences.

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President- Elect

A native Montanan, Ellen McKenzie earned her BME in 2001, and her MA in 2012, both from the University of Montana. She is currently in her nineteenth year of teaching music, and her seventh year at Hellgate High School, where she conducts four curricular choirs, two extra-curricular choirs, and also music directs the school musical. Previous teaching experience includes choir in Manteca, CA; K-8 music and choir in Frenchtown, MT; and choir at Flathead High School in Kalispell, MT. She has also acted as music director in musical theatre productions in California and Montana. When not making music with fabulous young people, she enjoys performing, running with her two dogs, going to Orangetheory, and spending time with her husband Peter and sons Ben and Jack.





Dr. Scott Tuomi is Music Department Chair, Director of Choral Activities and Professor of Music at Pacific University, where he conducts the University Chamber Singers and the “Free Radicals” tenor/bass choir. He also conducts the Portland-based “Balladeers” tenor/bass choir and serves extensively as guest conductor/clinician throughout the Northwest. Dr. Tuomi has performed internationally as tenor soloist with choirs, orchestras and opera companies; as Artist-in-Residence at regional music festivals; and is featured on the Koch, Freshwater and Narada labels. Dr. Tuomi founded the Music Therapy Program at Pacific University and is dedicated to exploring the relationship between music and healing.



President- Elect

Karen Bohart is the Director of Choirs at Franklin High School in Portland, Oregon where she has taught since 2018.  She spent 17 years of her career directing choirs at Reynolds High School in Troutdale, Oregon.  Karen is currently the Oregon ACDA President Elect.   In 2017 she presented at the OMEA State Conference.  Her session was titled ‘Cultivating a Choral Community in a Sea of Diversity” and reflected her passion for building community within diverse student populations. In 2018, Reynolds High School’s Pro Cantorum Choir was selected to perform at the OMEA State Conference under her direction.  Karen is a clinician and adjudicator for vocal solo and choral music in both Vancouver, Washington and the  Portland, Oregon Metro area.   She holds a Bachelors of Science in Music from the University of Oregon, and Masters in Music Education from the University of Colorado at Boulder.


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Dr. Anne E. Lyman serves as Director of Choral Activities and Chair of Music at Tacoma Community College. She has conducted choirs at the University of Puget Sound, Pacific Lutheran University, the University of Iowa, and Cornell College, as well as festival and honor choirs throughout the Pacific Northwest. In addition to conducting, Anne’s musical pursuits include early music research and vocal performance. She is the artistic director of the Tacoma Early Music Ensemble, which performs polyphony from the 14th through 16th centuries, and also directs Sine Nomine Renaissance Choir in Seattle. Anne lives in beautiful Tacoma, WA with her family and loves to hike, garden, and travel.

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President- Elect

Barbara Tappa is in her 22nd year of teaching and 14th year as the Director of Choral Music at Joel E. Ferris High School in Spokane, Washington. She also directs Le Donne, a community women’s choir. Barbara has been a cantor and choir director at Catholic churches in the United States, Japan and Norway. In 2016 Barbara was the Washington State High School Music Educator of the Year. Barbara has served as Choral Curriculum Officer for Washington Music Educators Association.





Dr. Zachary Vreeman is Director of Choral Activities at Casper College, and current President of Wyoming ACDA. He holds two degrees from Dordt College in Sioux Center, Iowa and earned his DMA in Choral Conducting at the University of Nebraska—Lincoln. At Casper College Dr. Vreeman conducts three choirs and teaches Music History, Education, and private voice. Dr. Vreeman also sings with several professional chamber choirs, currently the Colorado Bach Ensemble and the Skyline Singers. In 2016 he founded the Wyoming Choral Arts Ensemble in Casper, and is also the Commissioned Pastor at Grace Reformed Church. When not teaching or conducting, Dr. Vreeman enjoys woodworking and spending time with his wife and six children.



President- Elect

Anissa Bree teaches vocal and general music in Cody at the Middle School, and received her Bachelor of Music Education from the University of Wyoming. She also attended Northwest College singing with the Studio Singers, Choral Art and the NWC Chorale. She has since been invited to conduct the Master Chorale at Northwest College in Powell, Wyoming and has sung with the Cody Chorale. Her musical theater experience comes from Beauty and the Beast, Music Man and Guys and Dolls, as well as the Opera Don Pasquale and Opera Theater in college. Music keeps her on her toes with performances in the Cody area. She keeps busy with her family of four and enjoys traveling to Colorado to visit family and friends.