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Greg grew up in southern California, the son of two former Nebraska farmers turned academics. A two-sport athlete in college who graduated near the top of his class at UC Berkeley, Greg went on to play quarterback for the Vienna Rangers in the nascent American football league in Europe. Globetrotting for many years, Greg has been to 40 countries and worked, researched, and traveled on five continents.  


In his 30s, Greg experienced a major awakening which dominated his life for several years. This intense time challenged and expanded him immeasurably.  When he returned to graduate school he completed his PhD in Geography (political ecology) at the University of Texas, Austin faster than anyone in the 70-year history of the department. His research focused on "payment for ecosystem services"  in Costa Rica where he consulted President Luis Solis and his environmental ministries on national-level land-use policies.  


Greg is now a professor of environmental geography, author of two books, and a sustainability consultant and speaker. He frequently appears on major media outlets as an expert in ecology, sustainability, and human health and performance -- and he has spoken everywhere from TEDx to the University of Oxford. Still a competitive sprinter, Greg ranks in the top-5 in the U.S. in the 100 meters and 200 meters in his age category. 


Greg, his wife Chanel, and their two sons are based in London, U.K.

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