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About our company

We invent for a more hopeful future.

We aspire to be the premier research-intensive biopharmaceutical company in the world

For more than 125 years, MSD has been inventing for life, bringing forward medicines and vaccines for many of the world’s most challenging diseases in pursuit of our mission to save and improve lives.

We demonstrate our commitment to patients and population health by increasing access to health care through far-reaching policies, programs and partnerships.

Today, we continue to be at the forefront of research to prevent and treat diseases that threaten people and animals – including cancer, infectious diseases, such as HIV and Ebola, and emerging animal diseases.

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The heart of our mission

We believe corporate responsibility is about our health, social, environmental and economic impact on people and communities around the world.

MSD leadership on stage

The team that guides our work

Our leaders focus on our mission to save and improve lives around the world. This is the foundation of everything we do.

Our company by the numbers



Our culture

research and development investment in 2019

Our research

total philanthropy in 2018

Our giving
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Culture & values

Our values are driven by a desire to improve life

We’ve built a culture that embraces scientific excellence, operates with the highest standards of integrity, expands access to our products and employs a diverse workforce that values collaboration.

Get to know us through our stories

Learn about the heartbeat of our company.

View our stories

A look back at the Black innovators and moments that shaped our company

The Black community has and continues to play a key role in defining our legacy of invention

Take a look

Next: A look back at the Black innovators and moments that shaped our company

MSD’s response to the Ebola outbreak

Along with international agencies and governments, MSD has played — and continues to play — a leadership role in responding to Ebola.

Read more

Next: MSD’s response to the Ebola outbreak

Fighting for equity in health care

Representation in clinical trials can make a real difference

See how

Next: Fighting for equity in health care

Photos of resilience: How we’re coping during COVID-19

As the SARS-CoV-2 pandemic has transformed life around the globe, our colleagues have come together to show their resilience

See the photos and stories

Next: Photos of resilience: How we’re coping during COVID-19

“Coming back from maternity leave during a pandemic left me shell-shocked”

Elise Masella, executive director of global communications, returned to work after having her first baby in the thick of COVID-19. She shares what she's learned and how she's adjusted.

Meet Elise

Next: “Coming back from maternity leave during a pandemic left me shell-shocked”


Our areas of focus

We focus on scientific innovation to deliver medicines and vaccines that may help millions of people around the world.


Our mission is to deliver innovations that extend and improve the lives of people with cancer.

Learn about oncology


Vaccines are one of the greatest public health success stories – and we’ve been discovering, developing and delivering vaccines to help prevent disease for over 100 years.

Learn about vaccines

Infectious diseases

We play an important role in discovering and developing innovative medicines and vaccines to treat and prevent infectious diseases, including HIV and Ebola.

Learn about infectious diseases


As a company dedicated to saving and improving lives, we have a special responsibility to help in the fight against COVID-19. We’ve been fully committed to developing an effective response to the COVID-19 pandemic since it was first recognized.

Learn more about our response to COVID-19

Cardio-metabolic disorders

We are determined to find solutions for the most serious chronic health challenges, such as cardiovascular disease and diabetes.

Learn about cardio-metabolic disorders

Discovery & development

We are pushing the boundaries in research where we can make the greatest difference, now and in the future.

Learn about our work

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MSD Animal Health

MSD Animal Health is a research-driven company that develops, manufactures and markets a broad range of veterinary medicines and services.

We offer one of the industry’s most innovative portfolios, spanning products for the prevention, treatment and control of disease in all major farm and companion animal species.

Business partnerships and public policies keep our patients in focus

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Business development & licensing

We work with partners, from early-stage science to clinical-stage programs, to deliver new therapies to patients.

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Policies & positions

We support public policies that advance the interests of patients, improve public health and promote access to medicines and innovation.