Executive Leadership

Shinichiro Katayanagi
Chair of the Board and Chief Executive Officer
Sumitomo Dainippon Pharma America (SDPA)

Shinichiro Katayanagi is Chair of the Board and Chief Executive Officer and a member of the Executive Officer’s Committee of Sumitomo Dainippon Pharma America (SDPA) and an Executive Officer of SDPA’s parent company, Sumitomo Dainippon Pharma Co., Ltd. Mr. Katayanagi leads SDPA in supporting certain affiliates of Sumitomo Dainippon Pharma Group by providing professional shared services expertise to achieve greater efficiencies and enable discovery, development and commercialization of innovative treatments to help patients.

Previously, Mr. Katayanagi served as Executive Vice President and Chief Corporate Strategy Officer at Sunovion Pharmaceuticals Inc., a Sumitomo Dainippon Pharma Group company. His prior roles with Sumitomo Dainippon Pharma include Senior Strategic Officer, International Business and Senior Advisor, Global Corporate Planning.

Mr. Katayanagi has more than 29 years of experience in US and global pharmaceutical operations, corporate strategy, management and finance. Previously, Mr. Katayanagi held leadership positions at Astellas Pharma Inc. and Yamanouchi Pharmaceutical Company. He had a lead role in proposing the merger that created Astellas through the integration of Yamanouchi and Fujisawa Pharmaceutical Company and was responsible for establishing the Astellas corporate vision and long-term and mid-term business strategies. Mr. Katayanagi was Executive Vice president and Chief Financial Officer, Astellas US Inc., prior to assuming responsibilities as Corporate Officer and President of Asia International for Astellas Pharma Inc. and serving as a member of the Executive Management Committee.

He earned his Bachelor of Laws degree in Political Science at Keio University in Tokyo.

Linda Arsenault
Senior Vice President, Chief Human Resources Officer
Sumitomo Dainippon Pharma America (SDPA)

Linda Arsenault is Senior Vice President, Chief Human Resources Officer and a member of the Executive Officer’s Committee of Sumitomo Dainippon Pharma America (SDPA), which supports certain affiliates of the Sumitomo Dainippon Pharma Group by providing professional shared services expertise to achieve greater efficiencies and enable discovery, development and commercialization of innovative treatments to help patients. Ms. Arsenault is also a member of the Executive Leadership Team of Sunovion Pharmaceuticals Inc., an affiliate of SDPA and Sumitomo Dainippon Pharma Group company.

Ms. Arsenault defines and implements Human Resources (HR) strategies tied to organizational performance. She oversees all aspects of HR: Talent Acquisition, Total Rewards, Organization & Leadership Development, HR Business Partners and Diversity & Inclusion, as well as Facilities/Corporate Services and Travel/Meeting Planning. Ms. Arsenault has spearheaded Leadership Development and Diversity and Inclusion initiatives focused on advancing the culture, enhancing employee experience and bringing greater impact to the organization and value to its stakeholders.

Ms. Arsenault joined Sunovion in 2010 and has more than 20 years of HR leadership experience across the biopharmaceutical, health care and technology industries. Prior to Sunovion, she served in HR leadership roles at Genzyme, Blue Cross Blue Shield of Massachusetts, and Hewlett-Packard.

Ms. Arsenault holds a Bachelor of Science degree in Business Management from Lesley University and a Master of Education degree from Boston University.

Gregory M. Bokar
Executive Vice President, General Counsel and Corporate Secretary
Sumitomo Dainippon Pharma America (SDPA)

Greg Bokar is Executive Vice President, General Counsel and Corporate Secretary and a member of the Executive Officer’s Committee of Sumitomo Dainippon Pharma America (SDPA), which supports certain affiliates of the Sumitomo Dainippon Pharma Group by providing professional shared services expertise to achieve greater efficiencies and enable discovery, development and commercialization of innovative treatments to help patients.

Mr. Bokar is also a member of the Executive Leadership Team of Sunovion Pharmaceuticals Inc., an affiliate of SDPA and Sumitomo Dainippon Pharma Group company. Mr. Bokar provides leadership for all aspects of the Legal Affairs, Compliance and Internal Audit and Risk Management functions for the organization.

Mr. Bokar has significant domestic and international legal experience in transactions, corporate matters, commercial, regulatory, governance, intellectual property, litigation, HR, insurance, compliance and M&A both inside and outside the pharmaceutical and biotech industries. Previously Mr. Bokar served as Chief Legal Officer for Elan Pharmaceuticals LLC U.S., where he provided legal counsel for Elan’s global biopharmaceutical business and managed both a domestic and international legal team. Earlier in his career, Mr. Bokar worked as a Director for aaiPharma Inc., as a Senior Attorney with Argonne National Laboratories in Argonne, IL and as Associate Counsel with the U.S. Navy in China Lake, CA.

Mr. Bokar holds a B.S. degree in Chemistry, an M.B.A. from Cleveland State University and a J.D. from Western Michigan University Cooley Law School. A licensed attorney in three states and the District of Columbia, he also is a registered patent lawyer, licensed to practice before the U.S. Patent and Trademark Office.

Stephen Freeman
Executive Vice President, Chief Financial Officer and Treasurer
Sumitomo Dainippon Pharma America (SDPA)

Stephen Freeman is Executive Vice President, Chief Financial Officer and Treasurer and a member of the Executive Officer’s Committee of Sumitomo Dainippon Pharma America (SDPA), which supports certain affiliates of the Sumitomo Dainippon Pharma Group by providing professional shared services expertise to achieve greater efficiencies and enable discovery, development and commercialization of innovative treatments to help patients.

Mr. Freeman is also a member of the Executive Leadership Team of Sunovion Pharmaceuticals Inc., an affiliate of SDPA and Sumitomo Dainippon Pharma Group company. Mr. Freeman provides executive leadership for all accounting, financial strategy, reporting, planning and analysis, IT, procurement, tax and treasury functions for the organization. He has served in a number of senior leadership roles at Sunovion including Corporate Controller.

Mr. Freeman has participated in several key initiatives and business development transactions for the Company; most notably, he helped navigate the acquisition of Sepracor by Sumitomo Dainippon Pharma in 2009 and the subsequent merger of Sumitomo Dainippon Pharma's original U.S. subsidiary and Sepracor to form Sunovion in 2010.

Prior to joining Sunovion, Mr. Freeman served as the Corporate Controller for Firepond, a software firm. He began his career with Ernst & Young LLP in Boston, MA. Mr. Freeman holds a bachelor’s degree in Business from Worcester State University and a Master’s in Business Administration from Clark University.