R. DAVID YOST

Corporate Board Profile

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MARSH & MCLENNAN COMPANIES, INC.

Filing Date Source Excerpt
2017-03-31 Mr. Yost was the President and Chief Executive Officer of AmerisourceBergen.
2018-03-30 Mr. Yost was the President and Chief Executive Officer of AmerisourceBergen, a comprehensive pharmaceutical services provider.
2019-03-29 Mr. Yost was the President and Chief Executive Officer of AmerisourceBergen, a comprehensive pharmaceutical services provider.
2020-04-03 Former President and Chief Executive Officer of AmerisourceBergen
2021-03-31 Former President and Chief Executive Officer of AmerisourceBergen
2022-04-01 Former President and Chief Executive Officer of AmerisourceBergen

Data sourced from SEC filings. Last updated: 2025-04-27