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About Merck

A global pharmaceutical company driven by science and a commitment to improving health.

Merck & Co., Inc. brings together decades of research, a diverse portfolio of medicines and vaccines, and a dedication to operating with integrity. The sections below outline the values, leadership, and history that shape the company.

Merck's work is guided by a commitment to corporate responsibility, ethics, and transparency. The company focuses on expanding access to healthcare, reducing environmental impact, and supporting the communities where it operates.

The leadership team oversees Merck's global operations, setting strategic direction across research, manufacturing, and commercial activities. Their collective experience spans science, business, and public health.

Merck maintains rigorous standards in research, manufacturing, and compliance. The company's operational structure supports its four core product categories: vaccines, prescription products, consumer products, and animal health.

Merck publishes its perspectives on scientific, regulatory, and public-health topics. These positions reflect the company's research expertise and its engagement with global health challenges.

Merck & Co., Inc. has a long history rooted in pharmaceutical innovation. A significant milestone was the Merck/Schering-Plough merger, which expanded the company's capabilities and product reach.

The merger with Schering-Plough brought together two research-driven organizations, strengthening Merck's pipeline and broadening its therapeutic portfolio. The combined entity continues to build on that legacy.

  • Ethics and Transparency — Operating with accountability in all business practices.
  • Access — Working to make medicines and vaccines available to those who need them.
  • Environment — Managing environmental impact across operations and supply chains.
  • Community — Investing in the health and well-being of communities worldwide.

Merck & Co., Inc. has long been recognized as a global pharmaceutical leader, driven by a deep commitment to scientific discovery and the advancement of human health. The company's work spans a wide range of therapeutic areas, where ongoing research and development efforts aim to address some of the most pressing medical needs around the world. With a focus on innovation and integrity, the organization strives to bring meaningful medicines and vaccines to patients, while also operating with a strong sense of corporate responsibility. This dedication to improving lives, combined with a collaborative and ethical approach to business, continues to define the company's mission and its impact on communities across the globe.

Global Headquarters

One Merck Drive, P.O. Box 100
Whitehouse Station, NJ 08889-0100 USA

General Inquiries: 908-423-1000
Monday–Friday 8:30 AM – 5:30 PM ET