… Jason Muise doesn’t mind doing double-duty at Massachusetts General Hospital’s Center for Laryngeal Surgery and Voice Rehabilitation . In fact, he welcomes it. … professional and as a human being, is sacrifice and serving others,” said Muise. “To know that I'm doing that for students is great, and to then see it replicated and … a voice use disorder, such as unbalanced muscular systems that make it tough for someone to talk. Once a diagnosis has been established, Muise steps in with voice …