Matthew Wein has been Mustang Bio's General Counsel since September 2021. With more than 20 years of biopharmaceutical experience, Mr. Wein was previously at Sanofi in MA and at Amgen in CA, where he held various leadership roles in support of all aspects of the biopharma business. Mr. Wein was a corporate lawyer at the firm of Arter & Hadden in LA and previously held a career in corporate communications and crisis management, specifically for biopharmaceutical companies. Mr. Wein received his JD from the University of Southern California, and his BA from Wesleyan University in Middletown, CT. He is a member of the CA and MA Bars.