Charles Sullivan is an associate in Sullivan & Cromwell’s Litigation Group. His practice includes representing financial institutions and corporate clients in a wide range of complex civil matters in both federal and state court, including securities litigations, post-merger disputes, shareholder derivative actions, books-and-records demands, class actions, and other commercial disputes. He has also represented companies and financial institutions in responding to inquiries by the Department of Justice, the Securities and Exchange Commission, and other regulators. Charles’s pro bono work includes representing individuals in immigration and asylum matters.