Stephen Mitchener, PharmD

Chief Business Officer

Stephen Mitchener joined Karyopharm in December 2020 and is responsible for setting the partnering and business strategy for the development and commercialization of all Karyopharm clinical and commercial programs. 

Prior to joining Karyopharm, Stephen served as Chief Business Officer and Head, Strategic Finance, and spearheaded all commercial, financing, partnering, and corporate development initiatives at Axcella Healthcare. Before joining Axcella Healthcare in 2018, Dr. Mitchener spent 15 years at Novartis in roles of increasing responsibility, in both U.S. and international roles within its Oncology Business. As Head of Strategy, Partnering and Operations, Dr. Mitchener was responsible for leading U.S. oncology strategy, enterprise operations, non-core brands and partnering activities. During his tenure at Novartis, he also held various commercial, medical and business development roles, including Business Franchise Head, Oncology, Global Pharma Strategy Director, and Global New Product Director. Dr. Mitchener was involved in securing partnerships in oncology with multiple Big Pharma, technology, academic and healthcare partners. Stephen has over seventeen years of partnering and corporate development experience within the biopharmaceutical industry.

Stephen received a PharmD from the University of North Carolina at Chapel Hill.