Harry Giannoulis

Founding Partner & CEO


Harry Giannoulis has provided the strategic vision that transformed the Parkside Group from a small startup company into a multi-faceted strategic communications and public affairs firm that has served over 750 clients.

As co-founder of the Parkside Group, Harry Giannoulis has worked on over 300 winning campaigns and public policy initiatives. Because of these successes, City and State. called Harry the #1 political consultant in New York. He was previously featured on City and State.’s Power 100 List and the New York Observer’s Political Power 80 List.

As the principal strategist for New York’s Democratic Senate Campaign Committee, Harry has overseen the election of Democrats in seats long held by Republicans in every corner of the state. In 2018, Harry worked with a dedicated team of staff, volunteers, labor leaders, elected officials, and progressive activists to deliver a Democratic majority. In 2020, Harry's guidance helped result in the first supermajority for Democrats in the Senate in over a century. In 2022, even though Democrats underperformed across New York, the Senate maintained their supermajority.

In government, he was appointed New York State Ombudsman by Governor Mario Cuomo from 1990 to 1994 and was responsible for managing the Governor’s twenty-one regional offices throughout the State. He later served as an executive of a leading provider of services to people with developmental disabilities and mental illness, as a Commissioner on the New York City Taxi & Limousine Commission, and as a member of the Board of Directors of St. Michaels Home for the Aged.

Harry splits his time between his native borough of Queens and Woodstock, where he lives with his partner Jill and their son Christopher.

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