At GW Pharmaceuticals, we remain committed to ensuring our patients, healthcare partners and employees are supported during these challenging times. We are actively monitoring our supply chain and taking steps to help ensure continued supply of our products to patients. We will continue to monitor the COVID-19 situation and take steps to ensure that access and assistance for patients and healthcare partners remain consistent. If you wish to discuss more specific details please contact GW Pharmaceuticals via phone on +44 (0) 1223 238170 or via email at

If you are reporting an Adverse Event and / or a Product Complaint, and you receive a network busy signal (i.e. if all lines are busy or engaged) please continue to try your call throughout the day or, preferably report via the above email address.

Dr. Geoffrey Guy

Chairman and Founder

Dr. Geoffrey Guy is the founder of the Company and has served as Chairman since 1998. Dr. Guy is the creator of Sativex and Epidyolex and continues to lead innovation and new product discovery. Dr. Guy has been actively involved in scientific innovation, medical research and global drug development for his entire career. Prior to his role at GW, Dr. Guy served as Chairman and Chief Executive of Ethical Holdings plc, a NASDAQ-quoted drug delivery Company (now Amarin Corporation plc, or Amarin), which he founded in 1985 and led to its NASDAQ listing in 1993. He also founded Phytopharm plc in 1989, of which he was Chairman until 1997, and led to its London Stock Exchange listing in 1996.

Dr. Guy has been the physician in charge of over 300 clinical studies including first dose in man, pharmacokinetics, pharmacodynamics, dose-ranging, controlled clinical trials and large scale multi-centered studies and clinical surveys. He is also an author on numerous scientific publications and has contributed to six books. Dr. Guy was appointed as Visiting Professor in the School of Science and Medicine at the University of Buckingham in 2011 and at the University of Westminster in 2016. He also received the “Deloitte Director of the Year Award in Pharmaceuticals and Healthcare” in 2011. Dr. Guy holds a BSc in pharmacology from the University of London, an MBBS at St Bartholomew’s Hospital, an MRCS Eng and LRCP London, an LMSSA Society of Apothecaries and a Diploma of Pharmaceutical Medicine from the Royal Colleges of Physicians and has been awarded Honorary DSc from University of Reading 2016 for his contributions to science.