Newly-appointed Aetna CEO Ronald D. Williams becomes a relative rarity in the healthcare industry--an African-American in a senior management position. Williams, who was named as the replacement for outgoing CEO Jack Rowe, is profiled in today's Hartford Courant. Williams held senior jobs at WellPoint Health Networks and its subsidiary, Blue Cross of California, before coming to a troubled Aetna. He earned a Master's degree from the Massachusetts Institute of Technology in 1983. Article