Santos Appoints Former Quadrant Energy Chair Kate Vidgen to Board

Summary

Santos appointed Kate Vidgen as an independent non-executive director effective June 17, 2026, bringing more than three decades of energy, resources, infrastructure, and technology experience—including 26 years at Macquarie Group and a prior role as chair of Quadrant Energy, which Santos acquired in 2018—as the Australian energy producer strengthens its board amid major LNG developments and investor demands for capital discipline.

Market Impact

Vidgen's appointment reflects the increasingly broad skill sets energy company boards seek as they balance maintaining hydrocarbon production with emissions reduction and new-energy opportunities. Her direct familiarity with Quadrant Energy assets—now part of Santos following the 2018 acquisition that expanded its Western Australian gas portfolio and offshore operations—provides continuity in governance over those operations. Her concurrent roles as operating partner at Macquarie Asset Management and chair of sustainable aviation fuel company SkyNRG span traditional energy, infrastructure finance, and clean-energy businesses, mirroring the dual-mandate expertise energy boards prioritize as Santos advances LNG and gas developments across Australia, Papua New Guinea, and Alaska while balancing capital allocation discipline.

Why It Matters

Energy company board appointments increasingly require expertise spanning traditional hydrocarbons, infrastructure finance, and clean energy, reflecting the sector's dual mandate of sustaining production while pursuing emissions reduction and capital discipline.

Key Points

• Santos appointed Kate Vidgen as an independent non-executive director effective June 17, 2026, succeeding Yasmin Allen who retired in February
• Vidgen brings more than three decades of experience including 26 years in senior executive roles at Macquarie Group and over a decade of board-level experience
• She previously served as chair of Quadrant Energy, the Western Australian oil and gas producer Santos acquired in 2018 to expand its domestic gas portfolio and offshore operations
• Vidgen currently serves as operating partner at Macquarie Asset Management, chair of sustainable aviation fuel company SkyNRG, and sits on the boards of Bond University and Macquarie Technology Group

Key Entities

Evidence

Santos has appointed Kate Vidgen as an independent non-executive director, effective June 17, 2026, as the Australian energy producer continues to strengthen its board with executives experienced in energy, finance, a...

Supports: Confirms the appointment, effective date, and board-strengthening rationale

The appointment is particularly notable given Vidgen's previous role as chair of Quadrant Energy, the Western Australian oil and gas producer acquired by Santos in 2018 in a deal that significantly expanded Santos' do...

Supports: Documents her direct familiarity with assets now part of Santos via the 2018 acquisition

Currently, Vidgen serves as an operating partner with Macquarie Asset Management and sits on the boards of Bond University and Macquarie Technology Group. She is also chair of sustainable aviation fuel company SkyNRG.

Supports: Grounds her concurrent roles spanning energy, finance, and clean-energy sectors