R. David Yost

R. DAVID YOST is President and Chief Executive Officer of
AmerisourceBergen Corporation, the world’s leading pharmaceutical
distributor. Mr. Yost was formerly Chairman and Chief Executive
Officer of AmeriSource Health Corporation. During his more than
25-year tenure at AmeriSource, he served in operational and
executive capacities including President, Executive Vice
President Operations and Co-Chief Operating Officer. Mr. Yost is
a graduate of the U.S. Air Force Academy and earned his MBA
degree from the University of California at Los Angeles.