Erik Atkisson has served as Achieve Life Sciences' Chief Legal Officer since October 2025. From January 2024 to October 2025 he was a strategic life-sciences consultant advising small and mid-size companies on legal, business and compliance matters, and from February 2023 to January 2024 he served as General Counsel and Chief Compliance Officer of Rain Oncology Inc. He was previously General Counsel, Corporate Secretary and Chief Compliance Officer of Eiger BioPharmaceuticals (2021-2023) and Chief Compliance Officer and Legal Counsel of Cytokinetics, Inc. (2019-2021), and earlier held positions at Impax Laboratories (now Amneal Pharmaceuticals) and BioMarin Pharmaceutical. Mr. Atkisson received his bachelor's degree from Harvard University, a Master of Science from The University of Edinburgh, and his Juris Doctor from the Georgetown University Law Center.