Retired Chairman of Texas A&M's Department of Wildlife & Fisheries; Retired Executive Director of Welder Wildlife Foundation; Past Chair of the North American IUCN Sustainable Use Specialist Group of the Species Survival Commission; served on the Steering Committee of the Texas Think Tank Committee; Past President of The Wildlife Society (11,000 members); was bestowed the Aldo Leopold Memorial Award which is the highest honor of The Wildlife Society, and the SCI Conservationist of the Year Award, which is its highest conservation award. Was inducted into Texas Department of Wildlife and Parks Hall of Fame in 2008. Has authored over 100 scientific papers. Did the famous USF&WS leopard study in Africa that led to its downlisting as well as the the most comprehensive range-wide study of jaguar completed to date. Professor Emeritus at Texas A&M University, etc.