Aetna's leadership team

Ronald A. Williams
Ronald A. Williams is Chairman and Chief Executive Officer of Aetna Inc., a leading diversified health care benefits company with annual revenue of approximately $31.6 billion in 2008. 

Mark T. Bertolini 
Mark T. Bertolini is President, which includes oversight and responsibility for all businesses and service operations across Aetna's broad range of health care products.

William J. Casazza
William J. Casazza is Senior Vice President and General Counsel, reporting to the Company's Chairman and CEO, Ronald A. Williams. 

Meg McCarthy 
Meg McCarthy is Chief Information Officer (CIO) and Senior Vice President of Procurement and Real Estate. She is responsible for all information technology services, process and performance improvement, procurement and real estate for Aetna.

Robert M. Mead
Robert Mead is Senior Vice President of Strategic Marketing and Communications. He leads a combined group that includes the Strategic Marketing, Communications and Corporate Public Involvement organizations.

Lonny Reisman, M.D. 
Lonny Reisman, M.D., is Aetna’s chief medical officer responsible for the company’s clinical strategy, which seeks to improve the health of Aetna’s members.

Elease E. Wright
Elease E. Wright is Senior Vice President, Human Resources (HR) for Aetna Inc. In this role, she is responsible for the development of all HR strategies, and the delivery of HR services and programs.

Joseph M. Zubretsky
Joseph M. Zubretsky, Executive Vice President and Chief Financial Officer, joined Aetna, Inc. in February 2007. In this position, he leads all of the corporation's financial activities.