Greg has been involved in sustainable mountain trail projects for almost 20 years. His expertise lies not only in sustainable trail design, but also in organizing projects for implementation through various methods, including Youth Corps, day-labor, and volunteers.

Greg was a contributing author to the NPS’ Guide to Sustainable Mountain Trails Sketchbook, 2007 edition, authoring the sections on Maintenance, Rehabilitation & Armor, as well as Pitfalls to Avoid and Lessons Learned, and providing photographs. Greg has conducted 2-day field-based Sketchbook-style (“Design Assistance”) training for the Colorado Fourteeners Initiative.

2012-present: Trails Supervisor, City of Boulder Open Space and Mountain Parks
2005-2012: Field Programs Manager, Colorado Fourteeners Initiative
1998-2000, 2003: Trails Supervisor, Lory State Park, Colorado
2001: Trail design with Sustainable Trails, Inc.
Other: Regional Representative, Pacific Northwest Trail Association. Crew Leader, Youth Corps of Southern Arizona.