Mark Feierstein is a Vice President at Greenberg Quinlan Rosner, a Democratic polling firm. He conducts research for and advises progressive candidates in the United States and overseas.

Before joining Greenberg Quinlan Rosner, Feierstein served in the State Department and USAID during the Clinton Administration.

Feierstein, who is fluent in Spanish, also served as director for Latin America and the Caribbean at the National Democratic Institute for International Affairs (NDI). He has been an adviser to former President Jimmy Carter on electoral observation missions in Latin America.

Feierstein holds a Masters degree in International Affairs from the Fletcher School of Law and Diplomacy and has a BA in International Relations, magna cum laude, from Tufts University.

Ana Iparraguirre is a Senior Associate at Greenberg Quinlan Rosner, a Democratic polling firm. She oversees the firm’s work with Democracy Corps, a non-profit organization that provides research and strategic advice to progressive organizations. She coordinates the organization’s research on Hispanics and moderates focus groups of Latinos.

Prior to joining Greenberg Quinlan Rosner, Ana was a Research Manager for Ipsos where she conducted multi-country surveys for The Associated Press and strategic research for political candidates in Puerto Rico. Before joining Ipsos, Ana worked at a polling firm in Argentina and at a think tank focusing on health policy studies.

Iparraguirre earned a Master of Arts in Campaign Management from The George Washington University and received her Bachelor of Arts in Political Science from San Andres University in Buenos Aires, Argentina.

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