Stephen Brown
Chief Executive Officer
Stephen joined the Board in September 2023 as COO and was appointed CEO in January 2024. He has held a number of senior positions with prestigious global product and technology focused businesses. Recent roles include Group COO at AIM quoted AB Dynamics plc and CEO & Operating Partner at BP Launchpad, part of BP plc. Prior to this, Stephen held multiple leadership roles, including Global Vice President at Romax Technology, R&D Director at Vestas Wind Systems A/S and Technical Director at the Rolls Royce Holdings plc Industrial Power Group. Stephen also held other executive level roles in earlier-stage growth companies. Stephen holds an Honours degree in Mechanical Engineering from the University of Newcastle upon Tyne.
Amitabh Sharma
Chief Financial Officer
Ami joined the Board in August 2022. He has over 30 years’ experience in public and private companies of various sizes. Most recently, Ami was Group CFO at FTSE 250 listed Ultra Electronics Holdings plc, an international manufacturing group with a focus in the aerospace and defence market. He was also CFO of Gibbs and Dandy plc, a smaller listed company. Ami has, in the past, held senior finance roles at Senior plc and Saint Gobain Building Distribution and has extensive experience of corporate transactions, driving operational improvements, and raising finance. Ami is also a Non-Executive Director and Audit Chair at premium main market listed Porvair plc. Previously, he was an audit manager with KPMG and is a Fellow of the Institute of Chartered Accountants of England and Wales.
James Dimitriou
Head of Corporate Development
James joined SDI Group in May 2024. With almost 20 years of experience in corporate finance and investments, his background includes roles in both private and public markets. He has held executive positions across multiple companies and most recently was an Investment Principal at Oxford Innovation Finance. James founded an IP-based ‘buy and build’ company in 2011 and led it to a successful exit in 2020 through its acquisition by a publicly listed Swiss serial acquirer, ESGTI AG. He also serves as Chairman of Oxford Sigma, a technology group specialising in advanced materials engineering for extreme environments. James holds an MSc in Finance from the University of Surrey.
Marshall Reid
Group Managing Director, Laboratory Equipment
Marshall assumed the role of Group Managing Director at SDI Group in February 2025. Marshall’s career prior to joining SDI Group plc includes a series of senior leadership positions within international companies operating in the medical, healthcare, scientific and technology sectors, spanning across Europe, USA, UAE, and Asia. His professional history includes roles at several PE-backed and privately owned businesses, such as Managing Director at Ferno (UK), Winncare UK Group and Prism Medical UK, part of Prism Healthcare Group. Immediately prior to SDI he also held the position of Chief Operating Officer at DM Orthotics, a leading manufacturer in the medical/healthcare sector. Marshall holds an MBA from the University of Edinburgh Business School.
