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Executive Leadership Team

Mark Thomas - Managing Director & CEO

Tom Scrope - Finance Director & CFO

Mark Wood - COO & Engineering Director

Mark leads our engineering operations and is responsible for the engineers, building capability to
meet future needs.

Richard Varvill - CTO & Chief Engineer

Lisa Halls - Head of Human Resources

Dr Allister Furey - Strategy & Business Development Manager

Mark Wood

Mark leads our engineering operations and is responsible for the engineers, building capability to meet future needs. Mark was previously Engineering Director for Safran Power UK. He had responsibility for Safran Power Engineering in the UK and for engineering services across the Safran Power division. Mark has over 20 years’ experience in Aerospace, covering safety critical, high integrity applications and the full product life cycle from technology development through to service. He has extensive experience leading big teams and sites...

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Richard Varvill

Richard is 'chief engineering' SABRE and its demonstrator. He oversees all technology development and patenting activities. Richard is a founding Director of Reaction Engines Ltd. Richard began his career with Rolls-Royce Military Engine Division working on advanced gas turbine concepts (EJ200, Hybrid Fan Vectored Thrust Engine and ACME) and prior to founding Reaction Engines, was responsible for engine design work on the RB545 air-breathing rocket engines and winged launcher studies for the European Space Agency.

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Shaun Driscoll

Shaun leads the SABRE programme team and manages the customer relationship with the space agencies. During Shaun’s early career with Rolls-Royce he delivered gas turbine development and Technology Demonstration programmes across various Aerospace and Marine projects (including J200, JSF, WR-21 and MT-30).  He has subsequently held senior Programme leadership roles at AgustaWestland, Ultra Electronics and Zodiac Aerospace.  Shaun brings a wealth of experience in setting up and delivering complex high technology programmes requiring strong collaborations with UK and International partners...

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Dr Adam Dissel

Adam is accountable for all US business, running the Colorado office and developing relationships with US Industry and Government. Adam joined Reaction Engines Inc. from Lockheed Martin Space Systems where he served as System Architect for Responsive Space.

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Lisa Halls

Lisa leads Reaction Engines’ HR policies, recruitment, staff development and employee relations. Lisa joined Reaction Engines in 2014 to create the HR function. Lisa leads the development and implementation of the HR strategy and policy across all areas of the business including recruitment, learning and development, reward and recognition, engagement, organisational development, employee relations and employee wellbeing. Lisa is a Chartered member of the CIPD and has over 10 years’ experience in HR primarily spent at The Atomic Weapons Establishment.

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Dr Allister Furey

Allister leads our strategy and business development function, helping to bring to market both the SABRE engine and applications of our advanced heat exchanger and manufacturing technologies.   His previous role was in consulting with Bain & Company. This followed an MBA at London Business School during which he worked with VC Balderton Capital, at leading tech accelerator Entrepreneur First and at Reaction Engines. Pre-MBA, Allister was CTO and part of the founding team at the Shell and E.ON funded...

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