Sebastian assists clients with a broad range of multistate tax matters involving income, sales, and gross receipts tax issues. Sebastian focuses his practice on Pennsylvania tax controversy, where he has handled matters from the first stage of administrative appeal to Commonwealth Court, Massachusetts tax issues, and multistate federal conformity issues. Prior to joining Reed Smith, Sebastian spent three years working in federal and international tax, giving him a unique perspective on state tax issues. Sebastian also assists clients with unclaimed property audit defense, voluntary disclosure, and controversy matters.