Regeneron is a leading biotechnology company that invents, develops, and commercializes life-transforming medicines for people with serious diseases.Virtual Info Session:Wednesday, March 25th - 7:00pm ESTExplore Bold ideas. Go deep into your passion.  And learn from people at the top of their field. As a Regeneron Co-op, you'll get hands-on, real-world experience in biotech.Our Co-oppositions are full-time from January to August (Spring-Summer), May/June-December (Summer-Fall), and August-December (Fall).