Ph.D. from the University of Texas Graduate School Biomedical Sciences in 1975; M.D. from the University of Texas Southwestern Medical School at Dallas in 1969; was Principal Investigator for Inflight Lower Limb Volume Measurement during the ASTP mission; at the time of his selection assigned at NASA Johnson Space Center; semi finalist in NASA group 9 selection; practice medicine for over 30 years in both public and private sectors.