Former Petronas chief operating officer Adnan Zainol Abidin appointed chairman of Vantris Energy (formerly Sapura Energy), succeeding Shahin Farouque Jammal Ahmad, who continues to serve as a non-independent director.
Ithaca Energy appointed Geraldine Murphy as independent non-executive director and as a member of the company’s health, safety, environment and security committee.
Heerema Marine Contractors appointed Marcel de Nooijer as chief executive, effective 1 January 2026. Pieter Heerema will remain as interim chief executive and will support de Nooijer during the transition after 1 January.
Brad Virbitsky appointed to Gran Tierra Energy board of directors.
Thungela Resources chief executive designate Moses Madondo to formally assume the role of chief executive from 1 November 2025.
Williams executive chairman Alan Armstrong appointed to the board of directors at Constellation, effective 1 January 2026.
Linde appointed chief executive Sanjiv Lambato the additional role of chairman, effective 31 January 2026, succeeding Steve Angel, who is retiring.
Siemens USA appointed general counsel Ann Fairchild as interim president and chief executive, with Barbara Humpton retiring.
Oil and gas safety solutions player HIMA Group appointed Carl Ramsden as chief executive of recently acquired Sella Controls.
US helium, hydrogen and hydrocarbon player Mosman Oil & Gas appointed Howard McLaughlin as chief executive, with chairman Carl Dumbrell appointed executive chairman, and non-executive director Andrew Scott appointed executive director.
Norway-based ship designer HAV Design appointed Richard Schofield as its new managing director.
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