Bill Hatfield is a biotechnology executive with over 20 years of experience in oncology leadership, commercial development, and marketing. He has led the commercial development and US launches of 10 oncology products, including Velcade at Millennium Pharmaceuticals where he achieved $100 million in sales in the first year. Currently he is Senior Vice President of Commercial Development at Karyopharm Therapeutics, leading the commercialization of Selinexor as a potential therapy for hematological malignancies and solid tumors.