Our Board

Chris Sawyer

Chair of the Board

Chris Sawyer is legal manager for BP’s North Sea and Russia businesses, working in Aberdeen and living in Aboyne. He moved with his family to Scotland from London in 2005 and apart from three years in Moscow has lived and worked here ever since. His children have attended ISA since 2016, valuing the locally-rooted but globally-focused education offered by the school. He has been a member of the Board since May 2018.

Tristan Cutler

Vice Chair of the Board

Tristan is a Private Equity investor and Fund manager, leading and managing investments across multiple sectors. Tristan was an Investor with 3i, a UK based Private Equity firm where he was responsible for the origination, evaluation and execution of investment opportunities in the Oil and Gas sector. Prior to 3i, Tristan was an Officer in the Royal Navy where he held various support, planning and operational logistics roles at sea and ashore in the UK and internationally. Tristan is married to Melanie, an Aberdeen native who was a highly active member of the ISA Parent Teacher Organisation for over 10 years. Their eldest daughter graduated from ISA in 2022 and their son left the school at the end of Grade 10. Both are now studying at University in Aberdeen.

Sama Nekakhtar

Board Member

Currently the Finance Director at SLB overseeing the European operations.

Moved to Aberdeen after spending 15 years of SLB career between North America,Asia and Middle East in multiple roles spanning across Controllership, GBS and Reporting.

One amazing daughter Emma just started First Grade at ISA In Sep 2024 and enjoying it very much thanks to the brilliant teachers and staff.

My husband Luis is a Finance professional who has worked in energy and building materials industry with a passion for sustainability and New Energy. He enjoys playing football (soccer) in his free time. He is the rock of our family and has made this move to a completely new place possible for us as a family unit.

Dr Ravyn Hurry

Board Member

English, of Mauritian origin, Ravyn is an accomplished petrophysicist and project manager, employed by Shell. Over the last 12 years, he has worked in locations as varied as Norway and Oman. These experiences have provided him broad insight into diverse cultures. Excited by the energy transition, he would like to help ISA foster a genuine insight into future global energy scenarios. With one child at ISA (and another starting next school year), the school's wellbeing in these uncertain times is firmly in his interest.

Paul de Leeuw

Board Member

Paul is a senior industry leader and executive with over 33 years’ experience in the global energy sector. He has worked for a wide range of companies, including Shell, Marathon Oil, Amoco, BP, Venture Production and Centrica.

He is currently the Director of Robert Gordon University’s Energy Transition Institute, Chair of the National Energy Skills Accelerator, Chair of PlanSea Solutions and a Professor at Robert Gordon University (UK).

Paul is an experienced non-executive director, with over 20 years of involvement in public, private and voluntary sector organisations. He is also a regular contributor to industry events and a frequent media commentator on issues and developments in the international energy sector.

Dr Doris Reiter

Board Member

Dr Doris Reiter is the Senior Vice President for bp North Sea and a Reservoir Engineer by background, having held multiple engineering and technical leadership roles globally. Doris is a native of Austria but has spent the majority of her career in the USA. She moved with her family to Aberdeen in 2018. Mum to two sons, her eldest graduated ISA in 2022 and is now studying Computer Engineering at Carnegie Mellon University in Pittsburgh whilst her youngest is in middle school at ISA and enjoys being part of the internationally diverse student body.

Dave Cox

Board Member

Dave is the Shell Strategic Account Leader for Baker Hughes, responsible for the success of the Baker Hughes-Shell relationship at a global level.

Dave grew up in the UK, and had his first international experience as a field engineer in Africa in his 20s. He met his Mexican wife while overseas and they worked together internationally before moving to the UK in 2004. Aberdeen became home, until Dave was offered a role in Asia – the family spend 3.5 happy years in KL and returned to Aberdeen in 2023, at which time their children joined ISA.

Dave and family have a desire to see Aberdeen thrive through the energy transition … a world-class international school offering the IB curriculum is part of this, and Dave is serving on the ISA board to play his part.

Michael Ziegler

Board Member

Michael joined TotalEnergies E&P UK’s Aberdeen office in November 2022 as People & Transition Director.After graduating, Michael worked for a law firm in Leipzig (Germany) before joining the HR department of a family-owned company in the steel industry. This was followed by further positions in human resources at Hutchinson Aerospace (aerospace industry) and Faurecia (automotive supplier).

In 2016, he moved to Total and initially took the position of Employee Relationship Manager at the Headquarter in Berlin in Marketing & Service before being appointed Director of Human Resources in 2017.

Michael is a graduate of the Martin-Luther-University (2000) Halle-Wittenberg (lower saxony, Germany).