Madeleine Lohr


Madeleine Lohr is a mathematician by training who applies her quantitative skills and insights to Parkside’s targeting and data analysis operation. Most recently, Madeleine served as a Data Fellow for a US Senate Campaign where she managed statewide Voter Databases and reported to senior staff on data metrics. Madeleine has also served as a Junior […]

Tess McRae


Tess McRae is Vice President at Parkside where she works with clients in the firm’s public affairs, public relations and political campaign practices. A veteran communications and campaign operative, Tess mobilizes grassroots movements and develops strategic messaging to help Parkside’s clients gain a competitive edge. Tess joined Parkside after working in the New York Senate where […]

Katelyn O’Leary

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At the Parkside Group, Katelyn O’Leary represents clients in the energy, education, technology, and entertainment sectors before the New York State Legislature. Prior to joining the firm, she served as Senior Policy Advisor for Energy & Environment in New York State’s Executive Chamber, where she served two Governors. In the Chamber, she negotiated with both […]

Stephanie Olcese

Olcese, Stephanie

Stephanie Olcese uses her knowledge of city and state government to counsel some of New York’s leading non-profit organizations in their efforts to secure support from the government. As the Budget and Legislative Coordinator for New York City Councilmember, Mark Gjonaj, Stephanie served as the principal point of contact for non-profit organizations seeking support from […]

Juan Osorio

Juan Osorio

Juan Osorio is joining The Parkside Group as the Director of Scheduling after finishing an accelerated Masters program at NYU Wagner. During his time at NYU, he sharpened his analytical and communication skills, while he further his studies around affordability and economic development in New York City. While in school, Juan worked for a variety […]

Jorge Perez

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With a background in electoral campaigns and grassroots engagement, Jorge helps service some of the Parkside Group’s most high-profile local, state and national campaign clients. Jorge conducts comprehensive data-mining and analysis to help our clients strengthen their messaging and deepen their grassroots engagement. Whether it’s by designing targeted digital campaigns that maximize engagement through social […]

Sezlyn Petersen

At the Parkside Group, Sezlyn monitors hearings, tracks legislation, and drafts written comments and/or testimony on pending legislation. Prior to joining our government relations team, Sezlyn served as an aide to Secretary of State Robert J. Rodriguez in his former Assembly role, managing his digital communications and assisting with constituent work. She also worked as […]

Joe Reubens

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The Washington Post called Joe Reubens a campaign veteran when he was just 25 years old. Before he was 30, he’d helped defeat nine incumbent officeholders in multiple states. Joe has earned his reputation as one of the Democratic Party’s top political operatives by consulting on, and winning, some of the toughest electoral contests in […]

Amanda<br />Henning Santiago

Henning-Santiago, Amanda

Amanda Henning Santiago is the Communications Account Executive at the Parkside Group where she works to guide corporate, electoral and non-profit clients on press and social media strategy. Amanda is an award-winning journalist who previously worked at City & State NY as Engagement Editor and Reporter, and has done additional reporting for Huffpost, Mashable and […]

Susana Silva

photo of Susana Silva

Whether it’s helping our clients deal with the complexities of ever-changing lobbying regulations, managing the smooth operations of our multiple offices, or overseeing the administrative work of the business, Susana Silva has been an integral part of the Parkside Group’s success for many years. Prior to joining the company, Susana worked in the financial services […]