Mark B. Chandler

MARK B. CHANDLER is Chairman of the Board, President and Chief Executive
Officer of Luminex Corporation. Dr. Chandler founded the company with
his brother, Van S. Chandler, in May 1995 and has served as Chairman of
the Board and Chief Executive Officer since that date and as President
since June 1999. He also has served as a member of the Executive
Committee of the Board of Directors since its formation in July 1997. In
1982, he founded Inland Laboratories, Inc., which provides plant and
bacterial toxins to the medical research community. As the President and
CEO of Inland, Dr. Chandler received the KPMG Peat Marwick, High
Technology Entrepreneur of the Year award in 1987. He received his PhD
in Immunology from the University of Texas Southwestern Medical School
in Dallas.