Our Leadership

Stuart Fitzgerald, Chief Executive Officer

Stuart began his career with a specialist marine engineering consultancy, progressing to Worley Engineering in Australia and Brunei.

Stuart joined Subsea7 in 1998 and held operating and leadership positions within engineering, project management, and sales, at a Norway regional level until 2009, when he was appointed Vice President for Norway. From 2014 to 2018 he held the roles of Vice President Sales and Marketing and subsequently Vice President Strategy and Technology.

In January 2018, Stuart was appointed Executive Vice President - Strategy and Commercial and was Executive Vice President - Alliances and Strategy of Subsea7 from 2019 until his appointment to Seaway 7 ASA in October 2021, where he was CEO from 2022-2026.

Stuart has a Bachelor of Engineering degree in Mechanical Engineering and a Bachelor of Science degree in Applied Mathematics from Monash University in Melbourne, Australia.

Date of appointment:
Stuart has been Chief Executive Officer of Subsea7 since July 2026.

Nationality and date of birth:
1969

Mark Foley, Chief Financial Officer

Mark started his career in 1996 with the UK Government's Economic Service. In 2000, he joined Shell and held several finance positions with increasing responsibility. Between 2011 and 2012, he was Vice President Finance for Baker Hughes in Europe and, from 2012 to 2017, he was Group Financial Controller for Subsea 7.

In October 2021, he returned to Subsea 7 from Petrofac where he was Group Financial Controller and Senior Vice President Finance for its Engineering & Construction business unit.

Mark has undergraduate and postgraduate degrees in Economics from the Universities of Stirling and Strathclyde respectively, an MBA from the University of Warwick and is a Fellow of the Association of Chartered Certified Accountants.

Date of appointment:
Mark has been Chief Financial Officer since January 2022.

Nationality and date of birth:
1973

Phil Simons, Chief Operating Officer

Phil began his career in 1987 in offshore drilling, until 1992 when he became an engineer for pipeline installation contractor European Marine Contractors. Phil has more than 30 years’ experience in the subsea pipelines business.

Phil joined Subsea7 in Aberdeen in 2004 as a senior project manager and in 2011 was appointed Vice President for Canada, Mediterranean and Russia.

In 2013 he was appointed Vice President for UK and Canada before taking up the role of Vice President for North Sea and Canada in 2016. In 2018 Phil was appointed Senior Vice President Global Projects and Operations and, in 2020, he was made Executive Vice President - Projects and Operations.

Phil has a Bachelor of Engineering degree in Mining Engineering from the University of Leeds.

Date of appointment:
Phil has been Chief Operating Officer since July 2026.

Nationality and date of birth:
1966

Nathalie Louys, General Counsel

Nathalie began her legal career in 1986, working with Saint-Gobain and Eurotunnel, gaining extensive legal experience across a number of industries. In 1996 she joined Technip, based in Paris, progressing to the role of Vice President Legal – Offshore.

In 2006 Nathalie joined Subsea7 performing senior corporate and operational legal roles. Prior to her current appointment Nathalie was Vice President Legal – Commercial. 

Nathalie has been admitted to the Paris Bar and has legal qualifications from University Paris I – Panthéon Sorbonne and Paris XI in France and the University of Kent in the UK.

Date of appointment:
Nathalie has been General Counsel of Subsea 7 since April 2012.  

Nationality and date of birth:
1963

Katherine Lyne,  Executive Vice President - Human Resources

Kate began her career in the power generation sector with Alstom, where she held roles in Belgium, France, the UK and the US. In 2004 she moved to Imerys where she was initially HR Director for the Paper division before being appointed as HR Director for the Ceramics, Refractories, Abrasives, and Foundry business based in Paris.

In 2012 Kate joined Subsea7 as Vice President Group Human Resources which she held until her current appointment.

Kate has a business degree from the University of Brighton and is a fellow of the Chartered Institute of Personnel and Development.

Date of appointment:
Kate has been Executive Vice President – Human Resources of Subsea 7 since September 2019.

Nationality and date of birth:
1969

Marcelo Xavier, Executive Vice President – Strategy and Sustainability

Marcelo began his career in Subsea 7 in 2001 as a pipeline engineer and, over the last 20 years, has held a number of operational and commercial roles within the Subsea 7 Group.

In 2017, Marcelo was appointed Vice President for Brazil after three years working for the Africa region based in France. In 2021, he was appointed Group Vice President for Sales and Marketing based in the UK.

Marcelo holds a Master's degree in Subsea Engineering from the Universidade Federal do Rio de Janeiro. He also holds a graduate degree in Mechanical Engineering from the Universidade Federal Fluminense in Brazil.

Date of appointment:
Marcelo has been Executive Vice President – Strategy and Sustainability since April 2022.

Nationality and date of birth:
1980

Lloyd Duthie, Chief Executive Officer – Seaway7

Lloyd started his career in Oil and Gas in 1987, working for a subsea engineering business in Aberdeen, Scotland before joining Subsea7 in 1998, as a Project Engineering Manager.

Since joining Subsea7, Lloyd has managed projects in the UK and Africa, along with having responsibility for the Global Pipelay Operations and then as Chief Operating Officer for Subsea7’s UK and Canada region. 

In 2016, Lloyd moved to Seaway7 as an Engineering, Procurement and Construction Director, then EPCI Director in 2018, before taking on the role of Vice President for the UK and Asia for Seaway7 in 2022.

Lloyd has a Bachelor of Engineering Technology degree from the Robert Gordon University in Aberdeen.

Date of appointment:

Lloyd has been Chief Executive Officer – Seaway7 since July 2026.

Nationality and date of birth:
1967