AVROBIO, Inc. engages in the development of lentiviral-based gene therapies. It focuses on developing potentially curative ex vivo lentiviral-based gene therapies to treat patients with rare diseases following a single dose treatment regimen. The firm's clinical-stage programs include Fabry, Gaucher Type 1, Hunter syndrome Gaucher Type 3, Pompe, and Cystinosis. The company was founded by Geoff Mackay, Kim Warren, Christopher Mason, and Jeffrey Medin in 2015 and is headquartered in Watertown, MA.