Zachary Zweihorn is counsel in Davis Polk's Financial Institutions Group and the Trading and Markets practice. His practice focuses on the regulation of broker-dealers and other securities market participants and intermediaries, including advising on SEC and FINRA rules relating to the conduct of business, financial responsibility, market structure, and related compliance obligations. Zachary also regularly advises clients on regulatory matters in connection with corporate transactions involving broker-dealers and securities exchanges, including obtaining regulatory approvals where necessary. His clients include major international banks, broker-dealers, securities exchanges, digital asset businesses, and other financial institutions. Zachary also assists clients advocate in connection with regulatory and legislative proposals and has assisted in drafting proposed legislation, including aspects of three bills that have become law. He received a B.A. from Queens College and J.D. from Cornell Law School.