Robyn Whipple Diaz, Cochair
MedStar Health Inc.
2000 N. 15th Street
Suite 302— Legal Department
Arlington, VA 22201-2683
Phone: 703-558-1100
E–mail: robyn.w.diaz@medstar.net

Hemi D Tewarson, Cochair
US Gov Accountability Office
441 G Street NW
Washington, DC 20548
Phone: 202-512-4387
E-mail: tewarsonh@gao.gov