Kristina Callen Karassik

Kristina Callen Karassik is an experienced professional in sales operations and business insights, currently serving as Associate Director at Alexion Pharmaceuticals, Inc. since July 2023. Prior to this role, Kristina worked at Biogen, where positions included Associate Director of Commercial Excellence and Senior Manager of Field Excellence from May 2020 to July 2023. Kristina's career also includes a tenure at Sage Therapeutics as Manager of CRM and Commercial Systems from May 2018 to April 2020, and extensive experience at Takeda Oncology, holding various managerial roles in commercial operations and field services from December 2009 to April 2018. Kristina holds a Bachelor of Arts degree in Communications from Boston College, completed in 2008, and attended Newton Country Day School from 1998 to 2004.