Council Team

John McFadden, Executive DirectorJohn McFadden (Ph.D.), Executive Director

McFadden took the rein as Executive Director of the Tennessee Environmental Council on October 1, 2006. He finished his Ph.D. in Health and Human Performance in 2009, while researching riparian greenway ecology. He has 25 years of conservation and aquatic biology and 10 years in watershed restoration experience supported by degrees in secondary education (B.S.) and biology (M.S.). His conservation experience includes watershed monitoring, restoration, modeling and planning, and project management. Additionally, he has trained and led 1,000s of volunteers in environmental restoration including urban re forestation. McFadden is a certified professional in erosion and sediment control (CPESC) and has been recognized by the federal and state court systems as an expert on water quality related matters. 



DC  Diane Costea — Membership and Operations Manager

Diane has been with the Tennessee Environmental Council since Feb 2014. She has a B.S. in Education and Biological Sciences.  She worked as a Membership and Marketing Manager for Girl Scouts, CT Trails Council.  There she specialized in Volunteer Engagement and Innovative Program Delivery Systems.  Diane has also worked as a teacher in the inner city of Chicago and in the health care field.





Jeff Barrie — Director of Marketing and Operations

Producer/Director of the Kilowatt Ours documentary, Jeff Barrie brings 21 years of experience creating award winning video documentaries and public strategies that create positive change in the world of sustainability.






Tina-030  Tina Harvey Crawford — Director of Southeast Tennessee Regional Office in Chattanooga

(423) 364-4619

Tina staffs the Council’s satellite office in Chattanooga.  She is well-suited to the task given her love of people, plenty of energy, and an excellent track record in fund raising, most recently at Chattanooga Arboretum & Nature Center where she raised $250,000 and then served as Project Manager to build Paddler’s Perch for canoeist use.  With a B.S. in Broadcast Journalism, Tina has been a TV and Radio News Anchor, a Senior Reporter for a LA television station, and Media Relations Professional for a community hospital.

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