- BS, University of Wisconsin - Platteville
- BM, MM, University of Wisconsin - Madison
- MM, University of Texas - San Antonio
- DMA, Eastman School of Music
Peggy Dettwiler is Professor of Music and Director of Choral Activities at Mansfield University, where she conducts the Concert Choir, Festival Chorus, and Chamber Singers, and teaches choral conducting and methods. She holds the Doctor of Musical Arts Degree from the Eastman School of Music in Rochester, New York. She also has a Master of Music Degree in Choral Conducting from the University of Texas at San Antonio and a Master of Music Degree in Music Education from the University of Wisconsin in Madison. The Mansfield University Concert Choir, which she has conducted for twenty-three years, has been invited each of the last twenty years to perform at state, regional, national, or international choral conventions. In 2010, she received the Elaine Brown Award for Choral Excellence from the Pennsylvania Chapter of the American Choral Directors Association, and she placed second for The 2011 American Prize for Choral Conductors at the College/University level. Dettwiler has served as a guest conductor and lecturer throughout the country and has given presentations at numerous NAfME and ACDA Conventions. She has produced two DVDs, one entitled, Developing a Vocal Color Palette for Various Choral Styles and the second, Sing in Style.