Jay M. Gellert is President and CEO of Health Net, Inc. He joined the company in 1996 as President and COO of Health Systems International, Inc., a Health Net predecessor. Previously, Mr. Gellert directed Shattuck Hammond Partners Inc.'s strategic advisory engagements in integrated delivery systems development, managed care network formation, and physician group practice integration. He also was President and CEO of Bay Pacific Health Corporation and SVP and COO for California Healthcare System.