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Our people
Get to know our people
Together we bring huge amounts of experience and expertise to help guide the company to reach its goals.
Dr. Geoffrey Guy
Chairman and FounderDr. Geoffrey Guy is the founder of the Company and has served as Chairman since 1998.
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Justin Gover
Chief Executive Officer & Executive DirectorJustin Gover has served as Chief Executive Officer of GW Pharmaceuticals since January 1999, shortly after the Company was founded.
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Cabot Brown
Non-Executive DirectorCabot Brown joined the GW Board in February 2013. Mr. Brown is the Founder and Chief Executive Officer of Carabiner LLC.
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David Gryska
Non-Executive DirectorDavid Gryska has years of experience as Chief Financial Officer at Incyte Corporation, Celgene Corporation, Scios, Inc., and Cardiac Pathways Corporation.
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Catherine Mackey PhD
Non-Executive DirectorDr. Mackey is an experienced corporate executive, director and advisor with over thirty years of accomplishment in the biotechnology, pharmaceutical, and agricultural industries.
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James Noble
Lead Independent Director and Deputy ChairmanJames Noble has served as a non-executive Director since January 2007.
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Alicia Secor
Non-Executive DirectorAlicia Secor was previously President and Chief Executive Officer of Juniper Pharmaceuticals prior to the sale of Juniper to Catalent, Inc.
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Lord William Waldegrave
Non-Executive DirectorLord Waldegrave served as a Conservative Member of the British Parliament from 1979 to 1997 including sixteen years as a Government Minister, of which seven years were as a Cabinet Minister.
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Darren Cline
U.S. Chief Commercial OfficerDarren Cline serves as our U.S. Chief Commercial Officer since his appointment in April, 2019.
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Scott Giacobello
Chief Financial OfficerScott Giacobello brings 25 years of finance and operational experience to GW Pharmaceuticals.
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Dr. Volker Knappertz
Chief Medical OfficerDr. Volker Knappertz has served as our Chief Medical Officer since May 2017.
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Douglas Snyder
Chief Legal OfficerDouglas Snyder has served as GW Pharmaceuticals Chief Legal Officer since July 2017.
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Tina St. Leger
Chief Human Resources OfficerTina St Leger joined GW Pharmaceuticals as Chief Human Resources Officer (CHRO) in July 2019 and is responsible for the global human resources function.
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Chris Tovey
Chief Operating OfficerChris Tovey has served as our Chief Operating Officer since October 2012. Chris has over 25 years experience in the pharmaceutical industry.
Read moreAt GW Pharmaceuticals, we are always searching for enthusiastic, patient-centric, and innovative professionals that thrive in a dynamic and collaborative workplace culture.