Dr. Clarke has served as Achieve’s Chief Scientific Officer and as a member of Achieve’s board of directors since 2015. Dr. Clarke is a founder and director of Ricanto Limited since 2009. From 2016 to the present, Dr. Clarke has been Chief Scientific Officer of Renown Pharma Limited. Dr. Clarke was Chief Scientific Officer of Huxley Pharmaceuticals, Inc. during 2009, prior to Huxley Pharmaceuticals, Inc.’s acquisition by BioMarin Pharmaceutical Inc. Prior to Achieve, Dr. Clarke served as Chief Scientific Officer of Brabant Pharma Limited from 2013 to 2014. Dr. Clarke served as Company Secretary of Alexza UK Ltd. and as Vice President International Development Operations of Alexza Pharmaceuticals Inc., a pharmaceutical development company, holding both positions from 2008 to 2009. Dr. Clarke served as the Vice President, Clinical Research and Regulatory Affairs at Amarin Corporation from 2005 to 2008. In addition, Dr. Clarke was Senior Director, Clinical and Regulatory Affairs, of Cephalon Europe and as Senior Director, Worldwide Pain Management, of Cephalon, Inc. from 2000 to 2004.

 Dr. Clarke held a number of management roles in other pharmaceutical companies prior to 2000 as well as academic posts and honorary academic posts. Dr. Clarke holds a Bachelor’s degree in Pharmacology from the University of Sunderland and a Ph.D. in psychopharmacology from the University of London. He was a Fellow of the Royal Statistical Society (UK) and is a current Fellow of the Royal Society of Medicine (UK).