Pioneers in Neuroscience

We are Biogen

At Biogen, our mission is clear: we are pioneers in neuroscience. Biogen discovers, develops, and delivers worldwide innovative therapies for people living with serious neurological and neurodegenerative diseases. 

Our focus

We believe that no other disease area holds as much need or as much promise for medical breakthroughs as neuroscience.

9/23/19 3:00 AM EDT
Interferon Beta Treatments, Including PLEGRIDY® (peginterferon beta-1a) and AVONEX® (interferon beta-1a), Receive Positive CHMP Opinion for Use During Pregnancy and Breastfeeding
Regarding Our Nightstar Therapeutics Acquisition

On June 7, 2019, Biogen completed its acquisition of Nightstar Therapeutics, a clinical-stage gene therapy company focused on adeno-associated virus (AAV) treatments for inherited retinal disorders.

Read the full press release.
Learn more about our Scientific Expertise and Pipeline.

For investor inquiries related to the Nightstar Therapeutics acquisition, please contact Biogen Investor Relations at

Our People

Meet Tennille.

Tennille works in our Patient Services group in Research Triangle Park in North Carolina.

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