Kathryn  Ann Leaman Profile Image

Katie Leaman is Assistant General Counsel in Astellas US LLC’s Regulatory Legal Department.  Astellas US LLC is a U.S. affiliate of Tokyo-based Astellas Pharma Inc. (collectively “Astellas”).  Astellas is a pharmaceutical company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products.

Katie graduated from American University Washington College of Law in 2007 and received her undergraduate degree in Political Science and Biology from the University of Michigan.  During her time at the University of Michigan, Katie was a member of the Equestrian Team competing in regional and national events. 

Prior to joining Astellas, Katie was an associate in Sidley Austin LLP’s Healthcare group, based in Washington DC.  Before graduating from law school and working at Sidley, Katie participated in internships at the following organizations:  the Department of Health and Human Services’ Office of Inspector General (OIG), the Federation of American Hospitals (FAH), the Detroit Medical Center’s (DMC) Department of Infectious Diseases, and the Wine and Spirits Wholesalers of America (WSWA).

During her free time, Katie enjoys spending time with her dogs and cat, riding her horses, taking pure barre classes, and traveling the world to experience new countries and cultures.  After visiting all 7 continents, Katie is now working towards visiting every country in the world.



Assistant General Counsel - Regulatory

Astellas US LLC
1 Astellas Way
Northbrook, IL 60062

Fellow Year


Areas of Practice

Administrative & Regulatory
Drug & Medical Device
Health Care
Legislative Services
Marketing & Advertising


Pharmaceuticals and Health Care

Law School

American University Washington College of Law

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