Katherine Turner is Co-Chair of Williams & Connolly’s Accountant Liability practice group, Co-Chair of the Firm’s Congressional Investigations practice group, and a member of the Firm’s Executive Committee.
She has extensive experience in defending accounting firms and their auditors in professional liability litigation and regulatory matters, including work for three of the Big Four firms, several Big Four international member firms, and a prominent national accounting firm. She has led internal investigations concerning audit and accounting issues, including a recent internal investigation for the Audit Committee of a public technology company. She has defended firm and individual clients in professional discipline matters before state boards of accountancy.
Katherine also has significant experience in representing clients in congressional investigations, including representation of Secretary Hillary Rodham Clinton before the House Select Committee on Benghazi and a representation of a government official in a matter before the House Committee on Oversight and Reform. She has recently represented a U.S. Senator in a government investigation.
Her practice also encompasses complex litigation in several other substantive areas, including securities litigation and commercial contract disputes, in federal and state cases and in arbitration before AAA, CPR, JAMS, and FINRA. Katherine has represented individuals in a variety of matters, ranging from Title IX disciplinary proceedings to private business disputes. Benchmark Litigation has recognized Katherine as a “Litigation Star” in the areas of commercial litigation and white-collar criminal defense, 2017 – 2024, and among the “Top 250 Women in Litigation” for the last nine years.
Katherine was born and raised near Philadelphia, Pennsylvania and graduated from Georgetown University, summa cum laude, in 2001. She received her J.D., cum laude, from Harvard Law School, where she was an editor of the Harvard Law Review. She joined Williams & Connolly in 2005, after serving as a law clerk to the Honorable Bruce Marshall Selya of the United States Court of Appeals for the First Circuit.
In 2015, Katherine co-founded the firm’s Women’s Initiative and previously served as its Co-Chair. She has also served as Chair of the firm’s Intake Committee and a member of its Hiring Committee.
Updated Sep 2024
