Mary Mazzio, director of the new documentary film I Am Jane Doe, hails from a highly accomplished and diverse background. Mazzio is a force to be reckoned with whether she’s navigating the Charles River in a rowing shell (she was a 1992 Olympian), negotiating a corporate contract on Boston’s State Street (she is a former partner with the law firm Brown Rudnick) or collaborating with the White House to make a film that helps fund STEM education for under-represented students, as she did with her last film, Underwat