Maria Dietrich, Interim Executive & Artistic Director

Maria Dietrich is an experienced arts administrator. She recently retired from the Thrasher Opera House in Green Lake, where she served since 2008, first as Development Director and then as Executive Director. She was Administrative Director of the Green Lake Festival of Music from 1991-2006. Maria is organist/pianist at the First Congregational Church of Ripon, and she operates an independent music studio in her Ripon home. She recently retired from Ripon College, where she was an adjunct instructor of music for over 20 years, teaching piano and serving as accompanist for the choirs and for musical theatre productions. She holds a bachelor’s degree in music from Lawrence University.


Sam Handley, Director-Designate

Sam Handley will expand his role this fall with the Green Lake Festival of Music (GLFM) as Executive and Artistic Director after having served for several years on the Associate Board of Directors. Long involved in service and not-for-profit organizations as a donor, board member, volunteer, fund-raiser, and especially a performer and educator, Sam also brings his business education and training to his passion for furthering the mission of the Festival to entertain, inspire, and educate through musical performances and activities of the highest quality. Sam lives in Wisconsin and enjoys cooking, music, hiking, biking, and camping with his wife and daughter.


Deb MacKenzie, Administrator

Deb MacKenzie brings vast experience to the Green Lake Festival as a musician, teacher, and administrator. In addition to her work at the Festival, she holds an appointment within Ripon College’s Department of Music. She works frequently as a collaborative pianist, working with vocalists, instrumentalists, choirs, and high school and college theatrical productions. She holds a Bachelor of Music Degree (Music Therapy) from the University of Iowa and a Master of Music Degree (Piano Performance and Pedagogy) from the University of Wisconsin-Madison.