Our Management Team

Our senior management team comprises highly experienced pharmaceutical professionals with the necessary skills and expertise to take new medicines from early stage research to clinical development, regulatory approval, commercial manufacture and distribution.

Dr. Le Roy Dowey
Dr. Le Roy DoweyCEO
Dr Le Roy Dowey has joined GreenLight from Ulster University, where he worked with academics, clinicians, local councils, funding agencies, and companies ranging from entrepreneurs and SMEs to multinationals, to deliver Innovation Vouchers and Commercial Contract Research, including nutritional and clinical trials.

Le Roy obtained a BSc (Hons) in Biochemistry from Queen’s University, Belfast and a PhD in Nutritional Biochemistry at Ulster University (2002). After a period of post-doctoral research, he became Quality Assurance Officer for Ulster’s Biomedical Sciences Research Institute (BMSRI). Le Roy set up the BMSRI Core Facility Units to support academic and commercial research, and since 2012 he has worked with colleagues to bring over £17.5m of research and innovation funding into the University and NI. In 2015 he was appointed Commercial Manager at C-TRIC (Clinical Translational Research Innovation Centre) where he worked closely with the Western Health and Social Care Trust, Ulster University, Derry City & Strabane District Council, North West Regional College, lnvestNI and local companies, to develop economic growth and supply bio-businesses with support and advice. Le Roy returned to Ulster as BMSRI’s Business Development Manager, managing the Core Facility Units and an expert team of Scientific Assistants/Officers.

Le Roy joined the GreenLight Team in June 2018 as Director of Corporate Development and is now Chief Executive Officer.

Patrick Deasy
Patrick Deasy CFO
Patrick Deasy has spent 20 years as CEO and CFO of international clinical research organisations (CROs) during which time he was responsible for the development and integration of international operations in Germany, the Netherlands, the UK, Spain, Hungary and South Africa
Dr. David Gibson
Dr. David GibsonCSO
Dr David Gibson is a biochemist with over 15 years of experience in arthritis clinical research. He is passionate about finding new ways to treat and monitor adult and childhood forms of arthritis, so that pain and long term disability can be reduced. Dr Gibson has over 50 internationally recognised publications, including patents and book chapters and has held research posts in both the USA and UK.

He was awarded a prestigious fellowship in 2010 by Arthritis Research UK to perform diagnostics research in the University of Colorado, Denver, USA. He holds a PhD from Queen’s University Belfast, awarded in 2001 for work on drugs to reduce spread of brain cancers.

In his role as Chief Scientific Officer he oversees the translation of lab based research, via rigorous clinical trials, to novel treatments for a wide range of chronic conditions. His personal research focus with GreenLight Medicines is to identify phytocannabinoids which reduce pain and inflammatory signalling most effectively, in collaboration with Ulster University.

Dr. James Linden
Dr. James LindenFounder / Non-Executive Director
James achieved his PhD in Biochemistry in the Department of Ophthalmology, Queens University Belfast. After a year of researching Alzheimer’s Diseases as a Post-Doc in Neuroscience, Trinity College Dublin, James left the academic world and moved into pharmaceutical sales. After gaining sales experience he then went on to form his own generic drug company in Ireland called Éireceutica Ltd. Here he learned many skills and attributes which he has carried forth into his latest brain-child, GreenLight Medicines. As a scientist and a pharma expert James had the perfect skill set to build GreenLight’s world-beating research network and also to identify which products should be developed and which markets they should be developed for.