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Casey Marvell joined Ostroff Associates in January 2021, bringing extensive experience in lobbying, government relations, and public policy strategy.

At Ostroff Associates, Casey specializes in advising and representing clients before New York State government and guiding them through complex legislative and regulatory landscapes across a broad spectrum of policy areas, including energy, environment, economic development, transportation, taxation, and permitting.

In his current role, Casey works closely with legislative offices, state agencies, and non-governmental stakeholders to help clients build strong relationships and achieve measurable policy, budgetary, and regulatory outcomes. He brings expertise to matters related to the Climate Leadership and Community Protection Act (CLCPA), providing strategic counsel on environmental and clean-energy policy compliance and implementation.

Before joining Ostroff Associates, Casey worked in the New York State Senate and at the Adirondack Council, honing his skills in legislative affairs, environmental advocacy, and coalition-building. As a Government Relations Analyst at the Adirondack Council, he cultivated relationships with key officials to advance the organization’s mission through effective advocacy and grassroots engagement. His efforts supported the passage of landmark environmental legislation and budget initiatives focused on climate change and land-use management.

In 2025, Casey was recognized by City & State New York as a “Trailblazer in Clean Energy.”

Casey holds both a Bachelor’s and a Master’s degree in Political Science from the Rockefeller College of Public Affairs and Policy at the University at Albany. His expertise and experience make him a trusted advisor in government relations and environmental policy within New York’s dynamic policy environment.