Richard Stewart is a co-founder of Achieve Life Sciences and has served as a director since 2017. He served as the Company's Chief Executive Officer from August 2024 to April 2026 and as Executive Chairman from September 2020 to August 2024, and previously was Chief Executive Officer from the 2017 merger between OncoGenex Pharmaceuticals and Achieve to September 2020. He is a founder and director of Ricanto Limited (since 2009) and has been Chairman and Chief Executive Officer of Renown Pharma Limited since 2016. Earlier in his career he led Huxley Pharmaceuticals and Brabant Pharma (both acquired), co-founded and led Amarin Corporation plc (2000-2007), and co-founded SkyePharma plc. Mr. Stewart holds a B.S. in Business Administration from the University of Bath.