The Center for Studying Health Systems Change has hired Ann Tynan to be a health researcher.

Tynan previously was a senior health policy analyst at the U.S. Government Accountability Office. At the GAO, she studied topics such as geographic variations in health care expenditures and the State Children’s Health Insurance Program.

Tynan has a bachelor’s degree from the University of North Carolina and a master’s degree in public health from the University of Michigan.

The HSC is a health policy research center backed by the Robert Wood Johnson Foundation, Princeton, N.J.