Eisai US: Detailed Company Information & Corporate Profile

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Summary

Eisai US is a pharmaceutical organization headquartered in Nutley, NJ, founded in 1995. With a workforce ranging from 1,000 to 5,000 employees and annual revenue estimated between $1 billion and $5 billion, it operates within the U.S. market as a dedicated drug developer and provider.

Its therapeutic portfolio focuses on neurology, gastroenterology, oncology, epilepsy, insomnia, and dementia, with specific product pipelines addressing Alzheimer’s disease, metastatic breast cancer, renal cell carcinoma, hepatocellular carcinoma, endometrial cancer, among others.

Key leaders driving the company include Sandra Paola Gonzalez Gaitan (Head of Growth Markets), Ying Wu (Director, Head of Human Genetics), Michael Nagle (Executive Director, Head of Integrated Data Sciences), Gary Tvrdik (Head, Supply Chain Finance), Steven Hersch (Vice President, Clinical Research, New Modalities, Neurology Business Group), and Hieu Ly (Vice President Integrated Oncology Data Services).

Eisai US Websiteus.eisai.com
Social Links
linkedIntwitter
Phone Number888-274-2378
Industries
Eisai US Headquarters Address200 Metro Blvd., Nutley, NJ, 07110 US
Company Size1000-5000 employees
Specialities & ServicesNeurology, Gastroenterology, Alzheimer's disease, Oncology, Epilepsy, Insomnia, Metastatic breast cancer, renal cell carcinoma, hepatocellular carcinoma, dementia, endometrial cancer
Founded1995
Estimated Annual Revenue$1B - 5B
Updated:2026-09-07

Estimated Website Traffic

The chart shows a growth in traffic to the eisai.com website. In August, traffic increased to 84152, compared to 76434 in the previous month. The highest traffic in 2026 was recorded in February, reaching 174704 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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Eisai US's workforce includes employees across a wide range of tenure levels.

1% have been with the company for less than 1 year3% have been with the company for 1 to 2 years7% have been with the company for 3 to 4 years10% have been with the company for 5 to 7 years8% have been with the company for 8 to 10 years72% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from Eisai US
Sandra Paola Gonzalez Gaitan
Sandra Paola Gonzalez GaitanHead of Growth Markets
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Ying Wu
Ying WuDirector, Head of Human Genetics
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Michael Nagle
Michael NagleExecutive Director, Head of Integrated Data Sciences
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Gary Tvrdik
Gary TvrdikHead, Supply Chain Finance
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Steven Hersch
Steven HerschVice President, Clinical Research, New Modalities, Neurology Business Group
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Hieu Ly
Hieu LyVice President Integrated Oncology Data Services
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Christy Carter
Christy CarterSenior Oncology Sales Specialist
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Daryl Rhys Jones
Daryl Rhys JonesExecutive Medical Director, Alzheimer’s Disease, US Medical Affairs
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Doug Rouland
Doug RoulandPrincipal Process Associate - Upstream Operations
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Rodolfo Solorzano
Rodolfo SolorzanoAssociate Finance Director, Corporate Planning & Strategy
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Dana Mercurio
Dana MercurioSenior Area Business Leader Alzheimers
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Yash Darekar
Yash DarekarApplication Cloud Engineer Co-op
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Avinash
AvinashSenior Pharmacovigilance Specialist
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Paige Hickey Townsend
Paige Hickey TownsendMedical Science Liaison
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Yusuke Shintani
Yusuke ShintaniDirector, AD Alliance Department, Eisai Inc.
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Srini Reddy
Srini ReddySAP Test Lead
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Eisai US Corporate Information: FAQ

Eisai US operates in the Pharma industries. More details can be found on the official website: us.eisai.com.
Eisai US has offices located in Nutley, US.
The headquarters of Eisai US are located in Nutley, United States.
You can contact Eisai US by phone at 888-274-2378.
Eisai US currently employs 1000-5000 people.
You can contact Eisai US by phone at 888-274-2378, by email at esi_medinfo@eisai.com, through social media (LinkedIn, Twitter), or via the contact form on us.eisai.com.

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