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Senior Leadership Team

Adam Hargreaves

Dr Adam Hargreaves is the founder of PathCelerate Limited, a contract research pharmaceutical efficacy and safety company.  Spanning a 20-year career, he previously worked for AstraZeneca, and has interests and…

Dean Fielding

Dean is an independent non-executive director and chair of the audit committee at The Property Franchise Group plc.  He was previously Group Finance Director of LSL Property Services plc,…

Alastair Fleming

Alastair has held senior executive positions in the life science industry. He has a broad business knowledge over a career spanning 39 years, within several different sectors, including Medical…

Andrew Rapson

Andrew is the Chief Financial Officer and Company Secretary at Aptamer Group. He is a Chartered Accountant (ICAEW) and brings 20 years experience in the industry with over 8…

Dr David Bunka

David leads research and development activities to support customer validation assays and internal R&D at Aptamer Group. He holds a Ph.D. in Molecular Biology and has spent nearly 20…

Dr Arron Tolley

Arron is the founder of Aptamer Group and was CEO from 2008 – 2023.  Arron holds a Ph.D.  in Molecular Biology and Biophysics from the University of Leeds and a B.Sc.  in Molecular Medicine. …

Stephen Hull

Steve is an experienced company director and entrepreneur, having started, acquired, developed and successfully exited a number of businesses.  He was previously chairman of Aptamer Group until the IPO in December 2021.