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.

Eisai Oklahoma City, OK, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Exton, PA 19341, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Orlando, FL, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Houston, TX, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Minneapolis, MN, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Woodcliff Lake, NJ, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Woodcliff Lake, NJ, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Woodcliff Lake, NJ, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Exton, PA 19341, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Minneapolis, MN, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai Dallas, TX, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai Boston, MA, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai Los Angeles, CA, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai Atlanta, GA, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai San Francisco, CA, USA
May 13, 2019
The Medical Science Liaison (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 Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products; provide a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products; and c) provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications Required: • Advanced terminal degree in medical/biosciences (e.g M.D., PhD, PharmD) • Minimum of 1-3 years of MSL experience in therapeutic area • 5+ years pharma/industry related experience • Disease state management knowledge in therapeutic area • Strong broad-based scientific and pharmaceutical knowledge as well as excellent presentation and teaching skills • Strong overall written and verbal communication skills • Knowledge and experience within Eisai desired therapeutic area; comfortable and confident speaking about drug information/disease state management • Understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies • Understanding of the role and contributions provided by Medical Science Liaisons & Medical and Scientific Affairs • Ability to lead and motivate team members without a direct reporting relationship • Established relationships with key opinion leaders in therapeutic areas of interest • Demonstrated ability to assess issues and think strategically Preferred • Sound computer skills including applications for word processing, producing slide materials and working with spreadsheets • Clinical research/drug development experience • Clinical pharmacy experience
Eisai Baltimore, MD, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Woodcliff Lake, NJ, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Woodcliff Lake, NJ, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai New York, NY, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..
Eisai Sacramento, CA, USA
May 13, 2019
Eisai is a  human health care  ( hhc ) company seeking innovative solutions in disease prevention, treatment and care for the health and well-being of people worldwide. Our company's  hhc mission symbol is derived from the letters in Florence Nightingale's signature. Following the example set by this famed healthcare pioneer, who devoted her life to caring for others yet never lost sight of the importance of listening to her patients, Eisai marshals its talents to explore new therapeutic approaches that help address two key goals: meeting the medical needs of patients and their families, and improving their quality of life..