Ronald A. Williams is Chairman and Chief Executive Officer of Aetna. In 2002, Mr. Williams was named President and joined Aetna's Board. He was named CEO in February 2006 and Chairman of the Board in October 2006. Throughout his Aetna career, Mr. Williams has been outspoken in making the business case for quality in health care.

Prior to joining Aetna, Mr. Williams was Group President of the Large Group Division at WellPoint Health Networks Inc. and President of the company's Blue Cross of California subsidiary. Mr. Williams is a graduate of Roosevelt University and holds an M.S. in Management from the Sloan School of Management at the Massachusetts Institute of Technology.

Source: http://www.aetna.com/news/bios/williams.html