Don is the founder of Evolutionary Change and author of The Regeneration Handbook: Transform Yourself to Transform the World (New Society Publishers, 2024).

He has served in a variety of capacities throughout the international Transition Towns Movement over the past 16 years: first as Education & Outreach Coordinator for Transition Colorado, then as Founder and Executive Director of Transition Sarasota (Florida) and Executive Director of Transition US. He currently serves as Training Coordinator for Transition Network.

Don holds a Master’s in Environmental Leadership from Naropa University, a certification in Permaculture Design from the Central Rocky Mountain Permaculture Institute, and regularly teaches on a wide variety of topics including leadership development, community organizing, effective collaboration, and local food systems.

In 2019, Don edited and published 10 Stories of Transition in the US: Inspiring Examples of Community Resilience-Building. He currently lives in community in Boulder, Colorado.