Caddo Lake Institute

About Us


Board of Directors

Don Henley, Chairman & Founder

Sandra Haverlah, Secretary/Treasurer

Chris Campbell

Jerry Cargill

J. Marshall Jones, Jr.

Rick Michaels



Laura-Ashley Overdyke, Executive Director

Rick Lowerre, Legal Counsel

Dr. Roy Darville, Director of Science for Water Quality Projects

Jim Neal, Director of Land Conservation

Joe Trungale, Director of Science for Environmental Flows Project



Dwight K. Shellman, Jr. (1934-2012)


Sources of Funding

The Caddo Lake Institute is very pleased to have the financial support over the last year from foundations, businesses, individuals and government agencies.  Among such supporters are:

Foundations and Organizations

  • Bonneville Environmental Foundation
  • Dallas Safari Club
  • Jacob & Terese Hershey Foundation
  • Meadows Foundation
  • Cynthia & George Mitchell Foundation
  • Sherry Matthews Advocacy Marketing

Government Agencies

  • U.S. Army Corps of Engineers
  • U.S. Environmental Protection Agency
  • U.S. Fish & Wildlife Service
  • Texas Commission on Environmental Quality



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