Aetna Inc. has hired Dr. Troyen Brennan to be chief medical officer.
Brennan has been a professor of medicine at Harvard University since 1995, and he has been president of Brigham and Women's Physicians Organization, Boston, a provider group affiliated with the prestigious Brigham and Women's Physician Hospital Organization.
Brennan has been a professor of law and public health at Harvard's public health school since 1992.
Brennan has a master's degree from Oxford University, where he was a Rhodes Scholar. He also has a medical degree from Yale University, a master's degree in public health from Yale, and a law degree from Yale.
In other personnel news:
- CIGNA HealthCare, Bloomfield, Conn., a unit of CIGNA Corp., Philadelphia, has named Christopher De Rosa president and general manager of the CIGNA HealthCare business in Southern California.