Sascha Rosebush

General Counsel

I am motivated by the team’s commitment to and enthusiasm for improving the lives of patients and their families.

Sascha Rosebush

Sascha brings two decades of legal and compliance experience to her role at Third Rock. As general counsel, she manages all aspects of Third Rock’s legal operations, advises on strategic and tactical initiatives, oversees compliance with federal and state securities laws and regulations and provides advice and support to business personnel. Sascha is excited to apply her legal skills to serve the needs of our investors, partners and entrepreneurs.

Prior to joining Third Rock, Sascha was the Associate General Counsel and Chief Compliance Officer at ArcLight Capital Partners, LLC. She also previously served as General Counsel and Chief Compliance Officer of Park Street Capital, and was an associate at Testa, Hurwitz & Thibeault, LLP and Proskauer Rose LLP. Sascha is a Chartered Alternative Investment Analyst.

Year Joined
  • 2020
  • B.A., English Literature, Boston University
  • J.D., Northeastern University School of Law
Administrative Support
  • East Coast