ConocoPhillips names Andy O'Brien CEO effective Sept 1, 2026
ConocoPhillips announced that Andy O'Brien will become President and CEO effective September 1, 2026, succeeding Ryan Lance who becomes Executive Chair. Kontessa Haynes-Welsh is appointed CFO, and Greig Patterson becomes VP, Finance and Controller.

*this image is generated using AI for illustrative purposes only.
The Board of Directors of ConocoPhillips elected Andrew (Andy) M. O'Brien as President and Chief Executive Officer effective September 1, 2026, marking a planned leadership transition for the energy major. O'Brien, currently Executive Vice President of Strategy, Commercial and Chief Financial Officer, will also join the Board upon his appointment. This succession move ensures continuity as Ryan M. Lance retires from his executive roles to become Executive Chair of the Board.
In a complementary reshuffle of the finance leadership team, Kontessa S. Haynes-Welsh will assume the role of Senior Vice President and Chief Financial Officer effective September 1, 2026. Haynes-Welsh currently serves as Vice President, Finance and Controller. Additionally, Greig Patterson, presently Vice President of Corporate Planning & Development, will take over as Vice President, Finance and Controller on the same date.
Leadership Transition Details
| Name | Current Role | New Role | Effective Date |
|---|---|---|---|
| Andrew (Andy) M. O'Brien | EVP, Strategy, Commercial and CFO | President and CEO | Sept 1, 2026 |
| Ryan M. Lance | Chairman, President and CEO | Executive Chair | Sept 1, 2026 |
| Kontessa S. Haynes-Welsh | VP, Finance and Controller | SVP and CFO | Sept 1, 2026 |
| Greig Patterson | VP, Corporate Planning & Development | VP, Finance and Controller | Sept 1, 2026 |
The announcement confirms that Lance will retain influence through his new position as Executive Chair, providing guidance during the handover period. O'Brien's promotion leverages his financial and commercial expertise to drive the company's strategic focus. The internal promotion of Haynes-Welsh to CFO ensures robust fiscal management by retaining deep institutional knowledge within the finance function.
What the Numbers Show
While this filing focuses on corporate governance rather than financial performance, the retention of key executives in transitional roles suggests a commitment to steady execution. The decision to promote from within—specifically elevating the CFO to CEO—often indicates a strategy focused on preserving institutional knowledge and maintaining existing strategic trajectories during leadership changes. The simultaneous appointment of a new Controller (Patterson) signals a structured approach to filling the resulting vacancy in financial oversight.
How might Andrew O'Brien's background in strategy and commercial operations influence ConocoPhillips' capital allocation priorities and M&A activity post-2026?
What specific strategic initiatives or operational challenges is Ryan Lance expected to oversee as Executive Chair during the transition period?
How does Kontessa Haynes-Welsh's promotion to CFO signal the company's approach to financial discipline and shareholder returns in a volatile energy market?

































