Authors & Presenters



posted Jun 11, 2019

Gregory Kern

Mr. Kern is a transportation planner with more than 25 years of experience in multi-modal corridor studies, preliminary engineering concept development and assessments, and NEPA studies. He has a BA degree from Princeton University, and an MBA from t...


posted Sep 25, 2019

Guy Zoellner

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posted Jun 4, 2019

Hank Osborn

Hank Osborn is an avid outdoor educator and advocate. He joined the Trail Conference staff in 2013 as East Hudson Program Coordinator. In 2020, Hank became the Trail Conference's Director of Programs. Hank has a long history and a deep passion for th...


posted Aug 28, 2019

Hannah Traverse

Hannah Traverse is the Communications Manager at The Corps Network, the National Association of Service and Conservation Corps. The Corps Network, a member organization of American Trails, serves and represents more than 130 Corps across the United S...


posted Oct 8, 2018

Hansi Johnson

As Director of Recreational Lands, Hansi Johnson focuses on assisting the City of Duluth in identifying, securing and promoting its nature-based recreational assets. In addition, he works with other Land Trust staff to develop strategies to expand th...


posted Nov 19, 2018

Harry Burkholder

Harry is the Executive Director of the Land Information Access Association (LIAA), a non-profit organization located in beautiful Traverse City Michigan. Harry is responsible for setting the strategic direction and policies for LIAA and leads the org...


posted Jan 24, 2018

Helen Koehler

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posted Feb 5, 2018

Helen Scully

Helen Scully was the National Recreation Trails Coordinator with the National Park Service from 2008 to 2018. Helen Scully was on the dedicated National Park Service team that provides support for the National Trails System. She served as the Nationa...


posted Nov 19, 2018

Helen Siewers

Helen Siewers is a Registered Landscape Architect and LEED Accredited Professional. She works with Metro Parks Nashville as Greenways Project Manager. Helen worked previously as Project Director with Cave Country Trails based in Mammoth Cave, Kentuck...


posted Jan 24, 2023

Helena Kotala

Helena Kotala is a Program Manager and GIS Specialist with the Pennsylvania Environmental Council, where she combines her love of maps, storytelling, environmental conservation and advocacy. Her work spans a variety of projects across Pennsylvania, f...