Solving the
human body’s
most complex

Regeneron is a leading biotechnology company dedicated to inventing, developing and commercialising life-transforming treatments for serious diseases. Our mission is to use the power of science to bring new medicines to patients over and over again.

Regeneron solves the human body's most complex mysteries

Founded and led by physician-scientists since 1988, Regeneron has more than 12,000 employees around the world, with locations in North America, Europe and Asia. Regeneron-invented medicines are available in over 100 countries and are being studied in clinical trials in approximately 60 countries.

Regeneron solves the human body's most complex mysteries

Our unique ability to repeatedly and consistently translate science into medicine has led to numerous medicines authorised by regulatory agencies around the world and dozens of investigational product candidates in development, almost all of which were homegrown in our laboratories.

Regeneron solves the human body's most complex mysteries

Our innovations include the VelociSuite® drug discovery and development technologies, world-class manufacturing operations, one of the largest human genetics sequencing efforts in the world and rapid response technologies being used for the global good.

More About Us

Regeneron solves the human body's most complex mysteries
Regeneron's Industrial Operations and Product Supply (IOPS)
Make great medicine.
Then do it again
and again.

Regeneron's state-of-the-art Industrial Operations and Product Supply (IOPS) facility in Limerick is the largest bulk biologics production facility in Ireland.

Excellence In Action

Working at Regeneron
Passion and expertise
drives our engine of

We embrace progress: in science, in manufacturing and in what people can expect from their careers. Every day, our teams in Dublin and Limerick help turn science into life-changing medicine.


Regeneron STEM education

Doing well by doing good

In addition to our work to invent new and needed medicines, we are focused on improving our world and operating with the highest standards of integrity. We are proud not only of what we do, but how we do it.

We represent our responsibility to patients, our community and ourselves by:

  • Fostering the future of scientific education through science, technology, engineering and maths (STEM) education
  • Cultivating sustainable communities through volunteerism, fundraising and advocacy
  • Supporting patient communities by ensuring access to therapies
  • Nurturing our high-engagement, high-integrity culture, in which our people can thrive personally and professionally, work together to create positive change and promote a culture of diversity and inclusion

Learn How We’re
Making A Difference