Meet Our Administrators

Lee Griebel

ADM High School Principal


Two Bachelor’s from St. Ambrose University

Master’s from Drake


I am originally from the Quad City area where I graduated from Davenport West High School in 1988, and I also lived in New Orleans for five years. I went into the Army where I worked on avionics and was stationed with the historic 101st Airborne. During my time there, I was trained in air assault. I love football and am a proud member of the Who Dat nation (the New Orleans Saints). I also like painting in my free time.

Matt Lohmann

ADM Secondary Assistant Principal


Bachelor’s from University of Northern Iowa

Master’s from Viterbo University in Administration


I grew up on a a farm in northeast Iowa and graduated from Sumner High School before moving on to the University of Northern Iowa. While in the classroom, I’ve taught middle and high school math – most recently Algebra, Formal Geometry, and Algebra II. During this time, I also coached several sports and was the offensive coordinator for the Waukee football team. After teaching for 20 years, I decided I was ready to take on a more formal leadership role and now split my days between the middle and high schools at ADM. My wife, Nan, and I spend most of our time transporting our two kids (Lizzy and Zach) and watching our events. When I do get free time, I enjoy hunting and fishing. We’ve been proud to call Adel home for the past nine years.

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