Leadership Team

Our experienced leadership team work collaboratively to drive our company's success, by guiding business strategy and leading our people.

Together, they are helping to grow a successful healthcare technology company that's empowering pharmaceutical and healthcare organisations to focus their time, money, and resources more effectively, leading to better, more affordable healthcare.

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Phil Davies

Chief Information Officer

Phil’s combination of technical and business expertise across complex technology implementations and product development lifecycles is invaluable to Clinithink’s operational success.

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Martin Deleay

Chief Financial Officer

As Clinithink’s Chief Financial Officer, Martin draws upon his considerable expertise in financial modelling, as well as his commercial knowledge and analytical skills, to help drive the company’s continued growth and ensure that Clinithink’s goals remain achievable.


Mark Johnston

Chief Executive Officer

Mark joined the company following successful leadership positions at Amazon Web Services and Microsoft where he focused on global expansion of their healthcare and life sciences businesses. Mark is a proven executive that will focus on expanding the company’s growth through targeted go-to-market programs and commercial development in the artificial intelligence market. 

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Chris Tackaberry

EVP, Population Health and Life Sciences

Chris is a qualified physician and MSc computer science graduate who spent nine years in clinical practice in anaesthesiology and intensive care before embarking on a career in healthcare IT. Before co-founding Clinithink, Chris built a successful consulting practice focused on technology strategy, product management and major systems implementation for a host of clients, including the UK Department of Health. His combined expertise in medicine and computer science has been the foundation for Clinithink's continued success in life sciences and population health.