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Eisai

Welcome to Eisai Inc.

Eisai Inc. (pronounced ā-zī) is a U.S. pharmaceutical subsidiary of Tokyo-based Eisai Co., Ltd, a research-based human health care (hhc) company that discovers, develops and markets products throughout the world. Established in 1995, Eisai Inc. began marketing its first product in the United States in 1997 and has rapidly grown to become an integrated pharmaceutical business.

Headquartered in Woodcliff Lake, New Jersey, we are dedicated to a tradition of genuine concern for people and are driven by the desire to help meet the diverse health care needs of patients and their families and caregivers. We are an agile, entrepreneurial organization managed by experienced leadership, backed by the strength, stability and historical successes of Eisai Co., Ltd., which has a strong and lasting commitment to the U.S. market.

Our heritage and mission have earned us recognition as an innovative, efficient, solution-oriented pharmaceutical company - a company that effectively works with healthcare professionals, hospitals and managed care organizations to develop and market specialty products that help address unmet needs. Our ability to forge strong alliances gives us a competitive edge.

In the United States, our rapid growth and strong performance result from putting patients and their families first when making decisions and from empowering the people who manage our operations. Eisai employees personify our values of integrity, respect, professionalism, quality and teamwork.

As you continue exploring our corporate web site, you will learn more about how our commitment to hhc is a motivating force for everything we do and everything we produce.

Jan 08, 2025
Full time
Oncology Sales Specialist, Sleeve III
Eisai Harrisburg, PA, USA
The Oncology Sales Specialist is responsible for meeting/exceeding sales goals through promoting Oncology therapeutic products within an assigned territory in a compliant and appropriate manner. The Oncology Sales Specialist represents and promotes assigned brand(s) in the IV and oral markets with approved indications, helping targeted customers, such as Medical Oncologists, Hematologists, Endocrinologists, and nurses, etc. learn about the efficacy and safety of Eisai’s product(s). Works with office management to provide various informational resources, such as product data, and builds strong relationships with key personnel.  Understands managed markets to address product access and partners with appropriate reimbursement/market access partners. Key job activities include territory & market analysis, strategic business planning, self-driven execution of plans, gaining access to key stakeholders, utilizing “the challenger” sale and influencing techniques...
Jan 08, 2025
Full time
Quality Assistant
Eisai Baltimore, MD, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Researcher
Eisai Exton, PA, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Clinical BioMarker Research Scientist
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Clinical Data Manager
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Director, Clinical Research - Oncology
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Director, Global Medical Affairs - Patient Journey - Alzheimer's Disease
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Director, Global Medical Affairs - Real World Evidence & Medical Value
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Director, Head of Translational Imaging - Clinical Pharmacology & Translational Medicine
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Director, Precision Medicine
Eisai Woodcliff Lake, NJ, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Manager, BioLogics External Manufacturing - Quality
Eisai Raleigh, NC, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Manager, Clinical Operations - Hematology/Oncology
Eisai Cambridge, MA, USA
At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world's most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you. Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity,...
Jan 08, 2025
Full time
Senior Medical Science Liaison, Oncology
Eisai Remote
Develops, engages and maintains professional relationships primarily with top tier KOLs, healthcare providers and scientific experts focused on the assigned therapeutic areas within Eisai’s portfolio / pipeline.  Prepare and deliver presentations and effectively enter into strategic discussions as they relate to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision-makers, formulary committees, consultant pharmacists, state Medicaid decision-makers, and others. Essential Functions Develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate neurology to Eisai’s products (focus will be on epilepsy and sleep). Provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and...
Jan 08, 2025
Full time
Senior Medical Science Liaison, Oncology
Eisai Remote
Develops, engages and maintains professional relationships primarily with top tier KOLs, healthcare providers and scientific experts focused on the assigned therapeutic areas within Eisai’s portfolio / pipeline.  Prepare and deliver presentations and effectively enter into strategic discussions as they relate to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision-makers, formulary committees, consultant pharmacists, state Medicaid decision-makers, and others. Essential Functions Develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate neurology to Eisai’s products (focus will be on epilepsy and sleep). Provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and...
Jan 08, 2025
Full time
Senior Medical Science Liaison, Oncology
Eisai Washington, DC, USA
Develops, engages and maintains professional relationships primarily with top tier KOLs, healthcare providers and scientific experts focused on the assigned therapeutic areas within Eisai’s portfolio / pipeline.  Prepare and deliver presentations and effectively enter into strategic discussions as they relate to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision-makers, formulary committees, consultant pharmacists, state Medicaid decision-makers, and others. Essential Functions Develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate neurology to Eisai’s products (focus will be on epilepsy and sleep). Provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and...
Jan 08, 2025
Full time
Senior Medical Science Liaison, Oncology - Sleeve II
Eisai Remote
Develops, engages and maintains professional relationships primarily with top tier KOLs, healthcare providers and scientific experts focused on the assigned therapeutic areas within Eisai’s portfolio / pipeline.  Prepare and deliver presentations and effectively enter into strategic discussions as they relate to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision-makers, formulary committees, consultant pharmacists, state Medicaid decision-makers, and others. Essential Functions Develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate neurology to Eisai’s products (focus will be on epilepsy and sleep). Provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and...
Jan 08, 2025
Full time
Medical Science Liaison, Neurology
Eisai Remote
An oncology MSL will, with a high level of proficiency, develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate to Eisai’s products. The candidate in this position will provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision makers, formulary committees, consultant pharmacists, state Medicaid decision makers, and others. The candidate will assume a leadership role by teaching, coaching and mentoring new hire and/or less experienced MSLs and by assuming responsibility for special projects as they arise. The impact that a MSL/SR. MSL will have to the organization include the following: a) as representatives of Eisai, a MSL/SR. MSL will communicate key information about...
Jan 08, 2025
Full time
Medical Science Liaison, Neurology
Eisai Remote
An oncology MSL will, with a high level of proficiency, develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate to Eisai’s products. The candidate in this position will provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision makers, formulary committees, consultant pharmacists, state Medicaid decision makers, and others. The candidate will assume a leadership role by teaching, coaching and mentoring new hire and/or less experienced MSLs and by assuming responsibility for special projects as they arise. The impact that a MSL/SR. MSL will have to the organization include the following: a) as representatives of Eisai, a MSL/SR. MSL will communicate key information about...
Jan 08, 2025
Full time
Medical Science Liaison, Neurology
Eisai Remote
An oncology MSL will, with a high level of proficiency, develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate to Eisai’s products. The candidate in this position will provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision makers, formulary committees, consultant pharmacists, state Medicaid decision makers, and others. The candidate will assume a leadership role by teaching, coaching and mentoring new hire and/or less experienced MSLs and by assuming responsibility for special projects as they arise. The impact that a MSL/SR. MSL will have to the organization include the following: a) as representatives of Eisai, a MSL/SR. MSL will communicate key information about...
Jan 08, 2025
Full time
Senior Medical Science Liaison, Oncology - Sleeve II
Eisai Remote
Develops, engages and maintains professional relationships primarily with top tier KOLs, healthcare providers and scientific experts focused on the assigned therapeutic areas within Eisai’s portfolio / pipeline.  Prepare and deliver presentations and effectively enter into strategic discussions as they relate to medical/clinical, health economics and outcomes research data on Eisai products to healthcare professionals, including individual physicians, researchers, managed markets medical and pharmacy directors, hospital decision-makers, formulary committees, consultant pharmacists, state Medicaid decision-makers, and others. Essential Functions Develop and maintain professional relationships with prominent healthcare providers and key decision makers as they relate neurology to Eisai’s products (focus will be on epilepsy and sleep). Provide presentations and enter into strategic discussions as it relates to medical/clinical, health economics and...