BIOQUAL announced the retirement of Dr. John C. Landon as Chairman of Its Board of Directors and as a Director. The company also announced the appointment of Mark G. Lewis, BIOQUAL’s President and Chief Executive Officer, as Chairman of the Board, and the election of David B. Landon, Ph.D., to fill the vacancy on the Board of Directors resulting from the retirement of Dr. John C. Landon. John C. Landon, Ph.D., founded BIOQUAL in 1982. He led BIOQUAL for more than 30 years as President and Chief Executive Officer. He retired as Chief Executive Officer on June 13, 2013, and was succeeded by Dr. Mark G. Lewis, BIOQUAL’s President. Dr. Landon remained as Chairman of the Board of Directors. Effective April 19, 2017, Dr. Landon retired as Chairman of the Board of Directors and as a member of the Board of Directors. Dr. Lewis, was appointed to succeed Dr. Landon as Chairman of the Board. Also on April 19, 2017, the Board of Directors elected David B. Landon, Ph.D., to fill the vacancy on the Board of Directors resulting from the retirement of Dr. John C. Landon. Dr. Lewis joined BIOQUAL as Senior Scientist in August 2003.