David K. White, Ph.D., serves as the President and CEO of MedMark, one of the nations’ largest behavioral health companies focused on addiction treatment services. Dr. White grew the company from three California-based clinics to 22 clinics in five states. In December 2015, he assumed the role of CEO for BayMarkHealth Services, the newly-formed parent company of MedMark Treatment Centers and BAART Programs.

Prior to joining MedMark, Dr. White served as the President of Hospital Management Services for Nashville-based Psychiatric Solutions, Inc. (NASDAQ: PSYS).

Previously, Dr. White served as President and COO of Horizon Health Corporation, managing over 180 hospital locations and overseeing rapid expansion and acquisition strategies, resulting in the acquisition of 15 hospitals until the company merged with Psychiatric Solutions (NASDAQ: PSYS) in 2007.

Prior to Horizon, Dr. White served as the CEO of Charles River Health Management, a psychiatric contract management company in Boston.

Previously, Dr. White served as the CEO of Charles River Hospital, a specialty psychiatric and substance abuse hospital in Massachusetts.

Dr. White received a B.S. degree from Tufts University in Medford, Massachusetts and obtained Master’s and Doctoral degrees in clinical psychology from Vanderbilt University.