About Eisai US
At Eisai Inc., the objective of human health care (hhc) is central to our mission. We prioritize patients and their families, striving to enhance the benefits derived from health care services. As the U.S. pharmaceutical arm of Eisai Co., Ltd., based in Tokyo, we are deeply dedicated to patient well-being, which fuels our pursuit of discovering and developing innovative treatments to address unmet medical needs. Eisai operates as a fully integrated pharmaceutical company with two global business sectors: oncology and neurology, covering dementia-related and neurodegenerative diseases. Each sector operates as a complete global enterprise, encompassing discovery, development, and marketing. Our U.S. headquarters, along with commercial and clinical development teams, are based in New Jersey; our research facilities are located in Massachusetts and Pennsylvania; and our global supply chain operations are in Maryland and North Carolina. For further details about Eisai Inc., please visit www.eisai.com/US. User comments and posts on this site are not generated or managed by Eisai Inc., and Eisai holds no responsibility for such content.
Executive Leadership Team
Organizational Chart — Preview
Eisai US Executive Leadership Team
Business Focus Areas
Eisai US Org Chart & Organizational Structure
Eisai US is led by Tatsuyuki Yasuno, who serves as Senior Vice President of Eisai Co., Ltd., President of the Americas Region, and Chairman and Chief Executive Officer of Eisai Inc. Under his leadership, the organization is structured across key functions: Finance, Information Technology, Strategy, Supply Chain, and Compliance. Cynthia Schwalm serves as President within the organization. Within the Finance function, Brian Harraka, CPA, CGMA, holds the role of Group Chief Financial Officer, and Keisuke Muramatsu serves as Executive Director, Finance, Commercialization Alliance, Alzheimer's Disease. In Information Technology, Makoto Hoketsu is Chief Information Officer, overseeing sub-functions Enterprise Architecture and Digital Transformation and Innovation. Jennifer N. is Executive Director, Global Enterprise Architecture, Risk and Compliance under the Enterprise Architecture sub-function, and Vijay Venugopal Iyengar MS, MBA, MPH is Executive Director, Global Digital Business Transformation, Sales, Marketing and Enterprise Strategy for the Digital Transformation and Innovation sub-function. Under the Strategy function, Susan Mayer is Executive Director, Regulatory Strategy, Oncology, and Adelle Berezinsky, Pharm.D. is Executive Director, Global Medical Communications and Digital Strategy. The Corporate Strategy sub-function within Strategy includes Bryan Harfenist as Executive Director, Corporate Strategy. Within Supply Chain, Brian Harraka, CPA, CGMA, also serves as Group Chief Financial Officer, under whom Terrell Carothers, Ph.D., MBB, SSM is Executive Director, Strategic Procurement and Site Services under the Procurement sub-function. Finally, under Compliance, Nina Kutner is Executive Director, Corporate Ethics and Compliance.
Frequently Asked Questions
What does Eisai US's BizKonnect profile actually show?
An overview with industry, headquarters, employee count, and public/private status; an About section describing the business; Key Facts; an Executive Leadership Team list; and a preview of the OrgKonnect's GenAI-powered org chart built by BizKonnect.
Can I see Eisai US's complete org chart here, or just part of it?
You get a free preview of the top-level structure and business units, generated by BizKonnect's GenAI-powered org chart engine; the full chart with reporting lines and direct contacts unlocks via "Get Free Access to Full Org Chart."
How is Eisai US's organizational structure mapped on BizKonnect?
Eisai US's hierarchy is broken into functional departments IT, Finance, Commercial Sales, Operations and distinct business units, with GenAI-powered interactive org charts mapping reporting lines directly up to the CXOs.
Does the page show which executive oversees which function?
Yes, functions like Finance, Sales, Operations, and Information Technology are each tied to a named executive and their title, based on Eisai US's reported leadership structure.
Is executive tenure information included?
Each leader's profile shows how long they've held their role, marked "Since [year]," so you can see how recently Eisai US's leadership team has changed.
How do Eisai US's GenAI-powered org charts support Account-Based Marketing (ABM)?
The visual maps break down multi-person buying centers within Eisai US, helping ABM teams identify actual budget owners, understand peer reporting relationships, and run multi-threaded outreach without getting stuck behind gatekeepers.
Are there other companies worth researching alongside Eisai US?
Yes, a "Similar Companies" section links to comparable organizations in the same industry, generated by GenAI industry clustering to help expand your target account lists.