Hält derzeit Positionen bei Uber Technologies, Inc., Amgen Inc, Apple Inc. and Chevron Corporation
| Position | Unternehmen | Zeitraum |
|---|---|---|
| Independent Chairperson of the Board | Uber Technologies, Inc. | 1. Juli 2018 - |
| Independent Director | Amgen Inc | 22. Juli 2010 - |
| Independent Director | Apple Inc. | 17. November 2010 - |
| Lead Independent Director | Chevron Corporation | 1. Januar 2015 - |
| Independent Director | Sumisho Air Lease Corporation | 1. April 2010 - 1. Mai 2020 |
| Independent Director | Chevron Corporation | 27. April 2005 - 1. Januar 2015 |