- Peter Whitman
- Peter Whittle
- Peter Williams
- Peter Y. Zhang
- Peter Zhang
- Peyman Mohajerin Esfahani
- Peyman Mohajerin Esfahani & Daniel Kuhn
- Pfizer Inc.
- Phanish Puranum
- Phil Beccue
- Phil Ireland
- Philip C. Jones
- Philip Ernst
- Philip Fernbach
- Philip Heidelberger
- Philip Kaminsky
- Philip M. Morse
- Philip M. Wolfe
- Philip Roizin
- Philip S. Wolfe