Governor Greg Abbott has announced the appointment of Joelle McRee, D.D.S., to the Texas Radiation Advisory Board (TRAB) for a term ending April 16, 2027. The Governor also reappointed Michael Britt, Joe Markham, Darlene Metter, M.D., Kenneth “Ken” Peters Ed.D., Robert “Bob” Redweik, and Darshan Sachde, Ph.D., for terms expiring April 16, 2031. The TRAB provides guidance to the state on radiation matters and evaluates the rules and programs of agencies that oversee radiation regulation.
Joelle McRee is an associate periodontist at Periodontal Surgical Arts in Austin. She is affiliated with several professional organizations including the American Dental Association and the Texas Dental Association. McRee holds degrees from Texas A&M University and UT Health San Antonio School of Dentistry.
Michael Britt owns Britt Claims and Consulting Services in New Braunfels and has over two decades of experience in insurance. He has previously led the Comal County Senior Citizens Foundation and participated in local civic groups.
Joe Markham serves as a lieutenant with the City of Arlington Fire Department. He holds leadership roles within firefighter associations and is involved with various charitable organizations. Markham earned degrees from Lamar University and Texas A&M University.
Kenneth “Ken” Peters is executive vice president and chief nuclear officer at Luminant in Granbury. He chairs the Utilities Service Alliance Board of Directors and has academic credentials from institutions including Virginia Tech University.
Darlene Metter, M.D., is a professor at UT Health San Antonio specializing in radiology and family medicine. She currently leads the TRAB Medical Committee and has held positions in national medical societies related to radiology and nuclear medicine.
Robert “Bob” Redweik is vice president for Environmental, Health, Safety, and Regulatory at Citation Oil & Gas Corp. based in Tomball. His previous roles include committee leadership with industry groups such as the American Petroleum Institute.
Darshan Sachde, Ph.D., works as a senior process chemical engineer at Trimeric Corporation in Austin. His past employers include Samsung Austin Semiconductor and Austin Energy. Sachde’s academic background includes multiple degrees from UT Austin.
According to information provided by state officials, these appointments aim to ensure continued oversight of radiation safety policies across Texas.



