Dr. Tinker Murray is a former professor (1984-2018) in the Department of Health and Human Performance at Texas State University. He served as Director of Cardiac Rehabilitation at Brooke Army Medical Center where he was twice recognized for his exceptional performance. At Southwest Texas and Texas State University, he served as Director of Employee Wellness from 1984 to 1988 and Director of the Exercise Performance Laboratory from 1984 to 2000. From 1985 to 1988, Dr. Murray was a subcommittee member for the Governor's Commission on Physical Fitness that developed the Fit Youth Today program. He was a lecturer and examiner for the USA Track and Field Level II Coaching Certification program for 20 years and served as Vice Chair of Gov. Ann Richards' Commission for Physical Fitness in Texas from 1993 to 1994.

He served as a voluntary assistant cross country and track coach that helped win four conference titles from 1985 - 1987. A fellow of the American College of Sports Medicine and a certified ACSM Program Director, Dr. Murray was a former two-time president of the Texas regional chapter of ACSM, as well as a former member on the national ACSM Board of Trustees. He also served on a five-year study intervention (2005-2010) funded by the National Institutes of Health to prevent Type-2 diabetes in middle school minority students. Dr. Murray worked with the Professional Development Cooperative in coordination with the Texas High School Coaches Association for 10 years to promote continuing education experiences for coaches. Since 2007, Dr. Murray has educated and encouraged thousands of Kinesiology professionals to promote physical activity and public health.

He has authored or coauthored several books, refereed journal articles, edited articles and published abstracts.