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About Us

Sarah Chamberlain, President

Sarah Chamberlain CPA


Sarah Chamberlain serves as the President and CEO of the Republican Main Street Partnership. Prior to serving as President, Chamberlain was Chief Operating Officer, Chief Financial Officer, and Executive Director of Main Street. Read more about Sarah >>

Geoffrey Kabaservice, Research Director

Geoffrey Kabaservice

Research Director

Geoffrey Kabaservice serves as the Research Director for the Republican Main Street Partnership, having joined the organization in November 2014. Prior to joining Main Street, he had been a practice manager with the Advisory Board Company, an assistant professor at Yale University, a columnist for The New Republic, and the author of several books. His book Rule and Ruin was a New York Times 2012 Notable Book of the Year and a finalist for the Los Angeles Times Book Prize, and he has written for numerous national publications.

Kabaservice received his undergraduate degree in political science from Yale University, his master’s degree in international relations from Cambridge University, and his Ph.D. in American history from Yale University. He lives in Alexandria, Virginia.

Cameron Dorsey

Events Manager

Cameron Dorsey is the Events Manager for the Republican Main Street Partnership. Cameron worked as a PAC Fund Raiser and Event Coordinator with Bellwether Consulting Group before moving to Cleveland, OH for the 2016 Republican National Convention. Cameron was the Housing Data Manager, where she coordinated logistics for the Convention’s attendees as well as serving on the Advance Team for Caucus Operations. Cameron then joined the Donald J. Trump for President, Inc. Campaign as Regional Field Director in Virginia.

Cameron received her undergraduate degree in Art History from Washington and Lee University.


325 7th St., N.W. | Suite 610 | Washington, DC 20004
Phone: (202) 393-4353
Fax: (202) 393-4354