C. Wallace DeWitt

C. Wallace DeWitt

C. Wallace DeWitt


202.862.8932 Phone vCard
866.836.0501 Fax

Cahill Gordon & Reindel LLP
1990 K Street, N.W.
Suite 950
Washington, D.C. 20006



  • Harvard Law School, J.D., 2008, cum laude
  • Faculty of Oriental Studies, King’s College, University of Cambridge, M.A.M.Phil., 2006, Gates Cambridge Scholar
  • Yale College, B.A., 2003, summa cum laude, Phi Beta Kappa, distinction in International Studies and Humanities majors; Alpheus Henry Snow Prize
  • Clerkships/Government Service

    • Hon. Judge H. Silberman, U.S. Court of Appeals, District of Columbia Circuit, 2008-2009
    • Senior Counsel to Acting Chairman and Commissioner Michael S. Piwowar, Securities and Exchange Commission, 2017-2018


    • District of Columbia
    • New York

C. Wallace DeWitt is a Counsel at Cahill Gordon & Reindel LLP and advises public and private companies on regulatory, litigation and transactional matters. He has experience advising global financial institutions and foreign private issuers on U.S. securities and banking matters as well as financial reform legislation, regulations and compliance.

Immediately prior to joining Cahill, he served as Senior Counsel to SEC Acting Chairman and Commissioner Michael S. Piwowar, advising the Commissioner on matters relating to the Division of Corporation Finance, the Office of the Chief Accountant, the FINRA FinTech Industry Committee and enforcement matters. He has previously served as an associate in the Tokyo, Hong Kong and Washington, D.C. offices of two AmLaw 100 firms, advising issuers and underwriters with respect to global debt and equity issuances and compliance with U.S. financial regulations.  He is also a former Executive Director of Research for the Committee on Capital Markets Regulation.

Upon graduation from law school, he clerked for the Hon. Laurence H. Silberman of the U.S. Court of Appeals for the District of Columbia Circuit. He is proficient at varying degrees of fluency in Japanese, French, German, Mandarin, Spanish, Italian, and Dutch.