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Oil & Gas Leadership Changes 2026

Tracking C-suite transitions, board appointments, retirements, and new leadership profiles across the global petroleum industry — from frontier independents to supermajors.

Last updated: June 26, 2026 · 6 leadership changes tracked · Oilers Frontier Editorial
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Global Industry Leadership Transitions
New CEO
BP p.l.c. · London, UK

Meg O'Neill Becomes First Woman to Lead a Top-Five Oil Major

Effective April 1, 2026
Murray Auchincloss (departed Dec 18, 2025)
Meg O'Neill — incoming CEO

BP appointed Woodside Energy CEO Meg O'Neill as its new Chief Executive — BP's first external hire for the role in over a century and the first woman to lead any top-five global oil company. O'Neill reorganized BP's leadership structure in June 2026, cementing a renewed focus on oil and gas production as the supermajor reverses its prior renewable energy pivot.

CEO Succession
Occidental Petroleum (OXY) · Houston, TX

Vicki Hollub Retires; COO Richard Jackson Takes Helm

Effective June 1, 2026
Vicki Hollub — President & CEO (retired; remains on Board)
Richard Jackson — new President & CEO

Occidental Petroleum's Board of Directors named Senior VP and Chief Operating Officer Richard Jackson to succeed Vicki Hollub as President and CEO, effective June 1, 2026. Hollub, who led Oxy through its transformative $38-billion acquisition of Anadarko, retired after a distinguished tenure. Jackson joined the Board of Directors simultaneously.

Interim CEO
Advantage Energy (TSX: AAV) · Calgary, AB

Belenkie Steps Down Under Shareholder Pressure; Board Chair Named Interim CEO

June 15, 2026
Michael Belenkie — President & CEO (resigned)
John Festival — Interim CEO (Board Chair)

Michael Belenkie stepped down as President, CEO, and board director of Advantage Energy effective June 15, 2026, amid a shareholder campaign demanding stricter financial oversight. Board Chair John Festival was immediately appointed Interim CEO as the company prepares for record production in H2 2026 and begins a search for a permanent successor.

CEO Promotion
Prairie Operating Co. (PROP) · Houston, TX

Gregory Patton Elevated from CFO to CEO at DJ Basin Independent

June 25, 2026
Gregory S. Patton — CEO & Director (promoted from CFO/EVP)
Michael J. Shelly — new EVP & CFO

Prairie Operating Co. promoted 40-year-old Gregory S. Patton from Executive VP and CFO to Chief Executive Officer and Board Director on June 25, 2026. Patton had served as CFO since April 2025. Michael J. Shelly was simultaneously named EVP and CFO. Prairie is an independent oil and gas developer focused on the Denver-Julesburg (DJ) Basin.

Planned Transition
Enbridge Inc. (ENB) · Calgary, AB

Gas Transmission President Cynthia Hansen Moves to Advisory Role Ahead of 2027 Retirement

Effective January 1, 2026
Cynthia Hansen — EVP & President, Gas Transmission → Special Advisor to the CEO

Enbridge's Cynthia Hansen transitioned from EVP and President, Gas Transmission to Special Advisor to the CEO on January 1, 2026, ahead of her planned retirement on January 1, 2027. The move is part of succession planning at North America's largest energy infrastructure company, which has sustained 53 consecutive years of dividend payments.

About This Tracker: This page is updated manually as significant executive leadership changes are confirmed across the oil and gas industry. Oilers Frontier covers CEO successions, board appointments, executive retirements, and interim leadership announcements at major producers, pipeline operators, refiners, and independent energy companies globally.