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

At Ostroff Associates, Casey specializes in guiding clients through complex legislative and regulatory landscapes across a broad spectrum of policy areas, including economic development, transportation, taxation, energy, environment, 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 successes. He brings expertise to matters related to the Climate Leadership and Community Protection Act (CLCPA), where he provides strategic counsel to clients navigating its intricate requirements.

Prior to joining Ostroff Associates, Casey worked both in the State Senate and at the Adirondack Council, honing his skills in legislative affairs and environmental advocacy. As a Government Relations Analyst at the Adirondack Council, he cultivated relationships with key officials to advance the organization’s mission through effective lobbying, coalition-building, and grassroots advocacy. His efforts secured the passage of landmark legislation and pivotal budget allocations, particularly in the areas of 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 and advocate for clients navigating New York's dynamic policy environment.