Mr. Castleman was President and CEO of Syntiro Healthcare Services, Inc., a business process outsourcing, care management, and disease management company. Prior to that, Breaux was CEO of Physia Corporation, which developed physician practice management software. Breaux also served as President and COO of the Scripps Clinic, a 300-physician multispecialty medical group practice in San Diego. Breaux was President of the Physician Resources Division of Caremark International in Chicago, where through acquisition of physician practices he grew the business from $180m in revenue to $940m and effected acquisitions in 6 states with a notional value in excess of $450m. Prior to that, Breaux was CEO of the Kelsey-Seybold Clinic in Houston, a 400-physician multispecialty medical group with 24 locations.


Before entering healthcare, Breaux was the partner in charge of the Houston office of Booz Allen Hamilton, consulting to the energy, banking and specialty chemicals business. He is currently a Director of FemPartners, Inc., a physician practice management company in Houston, and Chairman of Electro-Optical Sciences, Inc., (NASDAQ: MELA) a development-stage diagnostic medical device company in Irvington, NY. Breaux is a board director of USMD Holdings Inc., a physician practice management company in Dallas which coordinates care across physicians, hospitals and other specialty practices to create an integrated care platform.  Breaux is also on the board of Advanced Micro Instruments, a portfolio company of McNally Capital.


Breaux received a BA in economics from Yale University and attended New York University Graduate School of Business Administration. He has published articles on management issues in business and technical periodicals, including the Harvard Business Review, and has presented numerous papers and presentations to industry groups in energy, banking, healthcare, and agribusiness.