Subsea 7 SA - Company Profile

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The following section provides information on Subsea 7 SA’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Subsea 7 SA's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

Kristian Siem

Chairman Executive Board Since: 2011 Age: 77

Mr. Kristian Siem has been the Chairman of Subsea 7 since January 2002. Prior to this, he held Director and Executive Positions at Kvaerner ASA, Transocean Inc., NKT and Norwegian Cruise Line. He also held several management positions with the Fred Olsen Group in the US and Norway. Mr. Siem is the Chairman of Siem Industries Inc and Director of Siem Offshore Inc, Siem Shipping Inc, and Frupor SA.

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John Evans

Chief Executive Officer; Director Executive Board Since: 2026 Age: 63

Mr. John Evans has been the Chief Executive Officer of Subsea 7 since January 2020 and Director of the company since June 2026. Prior to this, he served as the Chief Operating Officer of the company. Mr. Evans also held various positions relating to General Management, Commercial, and Operational roles in the offshore oil and gas industry.

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Mark Foley

Chief Financial Officer Senior Management Since: 2022 Age: 53

Mr. Mark Foley has been the Chief Financial Officer of the company since January 2022. Prior to this, he served as the Group Financial Controller and Senior Vice President Finance for the Engineering & Construction business unit at Petrofac. Previously, he served as the Group Financial Controller at Subsea 7 from 2012 to 2017 and also served as the Vice President of Finance at Baker Hughes from 2011 to 2012.

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Lloyd Duthie

Chief Executive Officer - Seaway7 Senior Management Since: 2026 Age: 57

Katherine Lyne

Executive Vice President - Human Resources Senior Management Since: 2019 Age: 57
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