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Catherine MacGregor

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Adapted from the English Wikipedia article Catherine MacGregor, available under CC BY-SA 4.0Updated 10 August 2025
Catherine MacGregor
Born
Fiamma

(1972-08-07) August 7, 1972 (age 54)
Casablanca, Morocco
Occupation(s)Engineer, business executive
Years active1995–present
Known forCEO of Engie

Catherine MacGregor (born Fiamma on 7 August 1972) is a French engineer and business executive. Since 1 January 2021, she has held the position of Chief Executive Officer (CEO) at Engie.

Early life and education

MacGregor was born in Morocco and spent her early years in Casablanca, where she lived until she was 14. Her parents, both mathematics educators of Corsican and Basque heritage, raised her. She completed her secondary education at Lycée Lyautey before relocating to Paris with her mother. In 1995, she graduated with an engineering degree from École Centrale Paris.

Career

Beginning her professional journey in 1995, MacGregor joined Schlumberger, dedicating 23 years to the company. Her roles included serving as HR director and overseeing operations across Europe and Africa between 2013 and 2016. In 2017, she was appointed President of drilling activities based in London, where she concentrated on advancing 3D seismic technology to improve oil recovery methods.

In 2020, MacGregor took on the role of President at Technip Energies, a Parisian spin-off from TechnipFMC, with a focus on driving energy transition projects.

Her appointment as CEO of Engie was announced by the company's board on 2 October 2020, with her tenure commencing on 1 January 2021. At that time, she was the only female CEO among France's CAC-40 companies until Christel Heydemann assumed leadership at Orange S.A.. The French Finance Minister, Bruno Le Maire, publicly expressed regret over the scarcity of women in such top executive roles.

Other appointments

Awards and recognitions

On December 30, 2020, MacGregor was honored with the title "Chevalier de la Légion d'Honneur" (Knight of the Legion of Honour) in recognition of her leadership as CEO within a leading energy industrial group and her 25 years of professional dedication.

In 2023, she achieved the rank of 26th on Forbes' "World's 100 Most Powerful Women" list and secured the 25th spot on Fortune's Most Powerful Women ranking.

Personal life

While working at Schlumberger in Aberdeen, she met her former husband, who is Scottish. The couple has two daughters.