Prior to joining AT&T, Marissa ran Marissa Shorenstein LLC, where she offered strategic communications consulting services to a wide range of clients, including private sector institutions facing PR crises, tech startups looking for guidance on product launches, hedge funds and private equity firms requiring investor relations and sales and marketing assistance, and non-profit organizations desiring speechwriting and story placement expertise.
Marissa was the director of communications for Andrew Cuomo's successful 2010 campaign for Governor of New York. Before joining the Cuomo campaign, she was press secretary and deputy director of communications for Governor David A. Paterson, where she also oversaw communications for the dozens of agencies across the state.
From 2004 to 2007, Marissa served as senior manager for strategic planning and corporate communications for the New York Jets while earning her J.D. from Fordham Law School's Evening Division. In her capacity at the Jets, she was the spokesperson for the controversial stadium development project on Manhattan's West Side. Prior to joining the Jets, Marissa was a senior associate at SS+K, a national strategic communications firm based in New York. Marissa joined SS+K after serving as press secretary to Carl McCall's campaign for Governor of New York.
While an undergraduate student at Harvard University, from which she graduated with honors in three years, Marissa traveled as one of five members of the National Press Advance staff for the Gore presidential campaign, where she planned press events and coordinated logistics for the traveling press corps. She has also worked in the New York City Mayor's Office, on the 1992 and 1996 Clinton campaigns and on the 2004 Wesley Clark campaign.
Marissa was also the New York director of communications for Cover the Uninsured Week, a public awareness campaign funded by the Robert Wood Johnson Foundation and co-sponsored by dozens of non-profit, labor and business organizations around the country to highlight and create awareness about the tens of millions of Americans without health insurance.
Marissa serves as the chair of the board of Girls Who Code, vice-chair of the Citizens Budget Commission and member of the executive committee of the Women's Forum of New York. She also serves on the Jewish Community Relations Council of New York (JCRC-NY) and the YMCA of New York City's development committee in addition to representing AT&T at the Partnership for New York City.