Gretchen Warner is the Head of School at the Overlake School in Redmond, WA, and an Affiliate Consultant at Mission & Data.

Gretchen has been the Head of School at The Madeira School, a Division Head at the Archer School for Girls, and a longtime teacher and coach. Gretchen is a courageous educational leader who is a trailblazer and lead learner. Keenly focused on high-impact teaching and learning and community connectedness, she uses research, data, and a lot of heart to lead independent schools into the next era of education.

While an education expert, at her core Gretchen is an outdoor-loving nerdy scientist. She received her B.S. in Chemistry from Virginia Tech and her M.A. in Chemistry from The University of Virginia.