Jarrett Walker

Jarrett Walker, PhD, is an international consultant in public transit network design and policy. A specialist in bus network design, he has been a full-time consultant since 1991 and has led numerous major planning projects in North America, Europe, Australia, and New Zealand. He is President at Jarrett Walker + Associates, based in Portland, Oregon.

He is the author of the popular public transit blog HumanTransit.org, and the book Human Transit: How Clearer Thinking about Public Transit Can Enrich Our Communities and Our Lives (Revised Edition, Island Press, 2024). This book is a friendly, non-technical introduction to transit’s underlying geometry, and the real value judgments that must be explored to make both transit and development policy. His background integrates an arts and humanities PhD (Stanford, 1996) with long technical experience in all aspects of transit and its role in city-building. He is a frequent keynote speaker, teacher, and facilitator of decision-making processes.