1. M. Christopher Roebuck ( ) is president and CEO of RxEconomics LLC, in Hunt Valley, Maryland.
2. J. Samantha Dougherty is senior director for policy and research at Pharmaceutical Research and Manufacturers of America, in Washington, D.C.
3. Robert Kaestner is a professor of economics at the University of Illinois at Chicago.
4. Laura M. Miller is a senior economist at the National Association of Chain Drug Stores, in Arlington, Virginia.