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Brock McCleary

Brock McCleary is the owner of Harper Polling. From the back streets of Philadelphia and New Jersey campaigns to Capitol Hill and Presidential politics, Brock’s experience and expertise are distinct as a strategic pollster.

Prior to founding the company, Brock served as Polling Director and Deputy Political Director at the National Republican Congressional Committee (NRCC) as Republicans won historic majorities in the U.S. House of Representatives.

During his tenure as a House Republican strategist, Republicans gained 63 seats in the House in 2010 and secured the second largest majority since World War II in 2012. In the 2014 and 2016, House Republicans maintained control of Congress while Brock served as Senior Advisor to the NRCC.

In 2013, Brock left Washington, D.C. and returned home to Pennsylvania where he founded Harper Polling. As its President, Brock built Harper into a nationally recognized polling firm with a list of distinguished political and public affairs clients.

In 2020, Brock served as a Pollster to President Donald J. Trump’s reelection while Harper Polling was purchased by Cygnal, where he joined as an equity partner. Brock relaunched Harper Polling in the Spring of 2025.

In the early years, Brock served as the Deputy Coalitions Director for Pennsylvania Governor Tom Ridge’s reelection campaign, Political Director of the New Jersey Republican Party, and a political consultant to congressional and state legislative races in Pennsylvania and New Jersey, before heading to Washington as the Communications Director for Congressman and former Speaker Pro Tempore of the House Patrick McHenry.

The firm’s namesake is his daughter, Harper.

Mike Yelovich

Mike Yelovich is Managing Director of Harper Polling and a trusted political and nonprofit strategist with more than a decade of experience in data strategy, public affairs, and advocacy. He has worked with hundreds of campaigns, nonprofit organizations, corporations, and issue advocacy efforts across the country, helping clients turn complex data into clear strategy and informed decision-making.

His experience spans campaigns at every level, from gubernatorial races to congressional, state legislative, super PAC, and issue advocacy efforts. He previously served as Research Director at WPA Intelligence and Polling Director at Cygnal, where he helped lead research and data strategy for some of the most competitive political campaigns in the country, including Governor Glenn Youngkin’s successful campaign in Virginia.

Mike began his polling and market research career at the Marist Institute for Public Opinion and has since built a reputation for excellence in survey design, methodology, and voter modeling. In addition to his research background, he brings extensive experience in operational strategy and organizational development, having worked with nonprofit organizations of all sizes, including both 501(c)(3) and 501(c)(4) entities, political action committees, and media operations. He has experience helping organizations build operational capacity, manage communications programs, and execute advocacy and public affairs initiatives.

Mike is a graduate of Marist College with a degree in Political Science and Business Administration. Originally from the Chicago area, Mike spent the last decade in Washington, D.C., before returning home to Illinois. He now lives in DuPage County.

Robert Frey

Rob Frey is a Senior Research Associate with extensive experience in market research and political analytics. Originally from New Jersey, he started his career in local politics and interned at Harper Polling during the summer of 2017. He began working with Majority Strategies during the 2018 cycle, contributed to the Republican National Committee’s Data team in 2020, and spent four and a half years at Public Opinion Strategies as a Senior Research Analyst, working on projects for NBC News, CNBC, trade associations, and public policy campaigns.

He holds a Bachelor’s degree in Political Science and Public Policy from Gettysburg College and a Master’s in Political Management from The George Washington University. Rob now resides in Alexandria, Virginia. Outside of work, he is an avid history enthusiast and enjoys traveling to Revolutionary and Civil War sites.

Gabriella Gabel

Gabriella Gabel is a Research Associate at Harper Polling. Originally from New Jersey, she graduated from Syracuse University's Maxwell School of Citizenship and Public Affairs with a B.A. in Political Science and a concentration in American Politics.

Prior to joining Harper Polling, Gabriella served as a Government Affairs Intern at Porter Wright Morris & Arthur LLP in Washington, D.C., where she conducted legislative research and tracked federal policy developments. She also led the Higher Education campaign for the New York Public Interest Research Group (NYPIRG), organizing advocacy initiatives and engaging students on higher education issues.

She is interested in the intersection of public opinion, policy, and political strategy.

Iulia Lupse

Iulia is the founder of I&A Communications Solutions and a media and communications strategist with 8+ years of experience spanning journalism, political communications, and public affairs. She previously served as Director of Communications for a New York State Assembly office, and is a contributor and fellow with Young Voices. She holds a B.S. in Diplomacy and International Relations from Seton Hall University.