Marissa LaMagna worked as a sound editor for commercial and independent film in San Francisco and then went on to be associate producer for Jim Metzner’s Sounds of Science in New York. She studied with Leo Lee and Michael Johnson at Western Public Radio and produced sound for Saturday Night Special, a theater piece about guns in America that was performed in New York and Boston. Her video Danger Zone toured the world with New Video Music USA and was shown at the Musee d'Arte Moderne, Paris. She was a founding member of the Nuclear Beauty Parlor, a women’s anti-nuclear street theater group that produced a record, a radio piece, workshops and numerous media events.

During the nineties LaMagna raised a family, taught natural foods cooking and started a teen center where she did fundraising, marketing and community outreach. She coordinated the volunteer program for a New York congressional race and raised funds for an environmental group.

She has recently resumed work as an independent radio producer and contributor to internationally distributed Pulse of the Planet and Voices of Innovation. Her work has been heard on NPR's Weekend Edition, Hot Soup on KQED in San Francisco and on 51%, a weekly half-hour program focusing on issues of particular concern to women, distributed internationally by WAMC.