Authors & Presenters



posted May 4, 2023

Will Handsfield

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posted Jun 14, 2022

William Fraser

Will Fraser holds a B.A. from Temple University in Environmental Studies. He has been an advocate at the Council for over ten years and is currently a Project Manager for the Council’s Transportation team. Helping to lead Clean Air Council’s pedestri...


posted Feb 6, 2018

William Prince

William Prince is a graduate of the University of Pittsburgh where he received his Bachelors of Arts in Humanities in 2009 and a Certificate in Historic Preservation in 2010. He began his career interning with Pittsburgh History and Landmarks Foundat...


posted Jun 5, 2019

Willie Bittner

Willie Bittner has been working in the conservation field, specifically in trailbuilding, design and consulting for 20 years. His experiences include owning and operating his own trailbuilding, design and consulting business - Great Lakes Trailbuilde...


posted Mar 5, 2018

Woody Keen

Woody Keen has been a professional trail consultant for over 20 years. He served on IMBA's Board of Directors for 6 years, and on PTBA's Board of Directors for 7 years serving as President for 4 of those. His work has taken him to 20+ states, 3 Canad...


posted Dec 15, 2020

Yohann Hanley

Yohann is an AMC Professional Trail Crew alumnus (2004-2006) and the co-founder of the Ragged Mountain Foundation’s Conservation Crew (2013-16) in Connecticut. He has spent most of his professional career in education, both in classrooms and the outd...


posted Apr 18, 2018

Yves Zsutty

Yves Zsutty is a Division Manager for the City of San Jose - Department of Parks, Recreation, and Neighborhood Services, overseeing the Capital Improvement Program division. He oversees delivery of Parks, Trails and Projects. Formerly, the department...


posted Dec 20, 2023

Yvonne Mwangi

With an in-depth understanding of trail-related issues, Yvonne Mwangi provides up-to-date knowledge, tools, data and connections to empower communities to advance their trails and active transportation projects. She is responsible for the robust deli...


posted Dec 22, 2020

Zachary Radel

Zachary Radel, Sr. Project Manager, CMS – UAV, has over 17 years in the geospatial community. Beginning his career as an aerial photographer, Zachary has logged over 100,000 miles during aerial acquisition, perfected flight management and metric came...


posted Aug 1, 2019

Zachary T. Likins

Zachary T. Likins is a Trail Planner with Los Angeles County Parks and Recreation. He has over 7 years of professional experience in a variety of progressively responsible planning roles, including expertise in long-range planning, design review, pro...