Our Team

Brian Walker

Professor Brian Walker, a co-founder of ProAxsis Ltd., has over 30 years of experience in the design and synthesis of “Protease-Tags” for the identification and validation of protease targets of biomedical and pharmaceutical importance. He is a highly experienced researcher with an extensive track record of seminal research publications in Protease Inhibitor Innovation and Development. He has trained over 70 PhD candidates, has served on major national and international funding bodies and has been responsible for initiating significant Technology Transfer Programs with leading International Pharma and Biotech companies. He is responsible for the continued development and expansion of the ProteaseTagTM portfolio for commercial use.

Brian is a graduate of Queen’s University Belfast (QUB), where he obtained a BSc in Chemistry followed by a PhD in Biochemistry, the latter being funded through the award of a prize Fellowship in Basic Clinical Sciences. After completing a postdoctoral position in the Friedrich Miescher Institute in Basel, he returned to Belfast to take up a Lectureship in Biochemistry. He was subsequently appointed to a Personal Chair in Biochemistry within the School of Biological Sciences, before being appointed to the McClay Chair in Biomedicinal Chemistry, in the School of Pharmacy at QUB, in September 1998.

Brian Walker

Chief Scientific Officer
Brian Walker
David Ribeiro

David Ribeiro

Chief Executive Officer
Dr Ribeiro has extensive experience in commercialising products within chronic diseases, having previously held senior management roles at Solvay Healthcare, Encysive Pharmaceuticals and Pfizer.
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Kelly Moffitt

Kelly Moffitt

Senior Project Manager
Dr Kelly Moffitt has extensive research experience in the role of host proteases involved in both inflammation and infection, particularly within various respiratory diseases including
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Meryl Parker

Meryl Parker

Market Access Manager
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Charlene Robb

Charlene Robb

Regulatory and R&D Scientist
Charlene obtained a MPharm degree from Queens University Belfast (QUB) in 2010 before completing pre-registration training and qualifying as a pharmacist in 2011. She returned
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Darragh McCafferty

Darragh McCafferty

R&D Scientist
Darragh McCafferty graduated in 2004 with a Master of Pharmacy degree from Queen's University Belfast, and completed his pre-registration training in
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Timothy Ferguson

Timothy Ferguson

R&D Scientist
Timothy graduated from Queen’s University Belfast with a Master of Pharmacy degree in 2011. Following successful completion of pre-registration training, he returned to the School
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