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C. Wallace DeWitt

Senior Counsel

Washington, D.C.

Image of Wallace DeWitt
C. Wallace DeWitt

Senior Counsel

Washington, D.C.

C. Wallace DeWitt is a senior counsel in Allen & Overy’s Financial Services Regulatory practice. He represents foreign and domestic financial institutions as to a variety of securities and banking regulatory matters, with a particular focus on the private wealth industry and the cross-border marketing of investment services and financial products. He regularly represents clients before U.S. federal and state financial regulatory authorities.

Before rejoining Allen & Overy in 2019, he served as Senior Advisor and Counsel to Acting Chairman and Commissioner Michael S. Piwowar of the U.S. Securities and Exchange Commission, advising the Commissioner on matters pertaining to the Division of Corporation Finance, the Office of the Chief Accountant, the Office of International Affairs, and the Division of Enforcement. He was also designated as the SEC’s observer of the FINRA FinTech Industry Committee.

From 2014 to 2017, he was a senior associate in Allen & Overy’s U.S. Bank Regulatory Group, immediately prior to which he served as the Executive Director of Research for the Committee on Capital Markets Regulation, a non-profit research organization dedicated to enhancing the competitiveness of U.S. capital markets and the stability of the U.S. financial system, under the direction of Professor Hal S. Scott. Previously, he served for four years as an associate in the Tokyo and Hong Kong offices of Davis Polk & Wardwell LLP, advising issuers and underwriters on debt and equity capital markets transactions. Upon graduation from Harvard Law School, he served as law clerk to the Hon. Laurence H. Silberman of the U.S. Court of Appeals for the District of Columbia Circuit.

He is an adjunct scholar at the Cato Institute’s Center for Monetary and Financial Alternatives, a member of the Exchequer Club, and a member of the Financial Services & Corporate Governance Committee of the Federalist Society’s Regulatory Transparency Project. He is proficient in eight languages at various degrees of fluency.

News & insights

Investigations Insight Ariel view Singapore

Blog Post: 23 JUNE 2021

Rolling bad apples - mandatory reference checks spread to Singapore

The Monetary Authority of Singapore (MAS) has proposed mandatory reference checks be carried out by all financial institutions and regulated entities.

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Aerial view of a number of people walking across a zebra crossing

Publications: 22 JUNE 2021

Great Fund Insights podcast: Spotlight on opportunities in alternative investments in the Middle East

This timely discussion is part of a series of Allen & Overy conversations on opportunities in alternative investments across our global funds network.

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A selection of green leaves placed on top of each other

News: 21 JUNE 2021

Allen & Overy advises on Bocom Leasing’s issuance of sustainability bonds

Allen & Overy has advised the joint lead managers and joint bookrunners on Bocom Leasing Management Hong Kong Company Limited’s (Bocom Leasing) USD500 million 1.125% sustainability bonds due 2024…

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An abstract geometrical green imae

Publications: 21 JUNE 2021

Cross-border fund distribution package: ESMAs final guidance on funds marketing communications

Pursuant to a requirement to do so under the Regulation on the cross-border distribution of funds (2019/1156) (CBDF Regulation), on 27 May 2021, ESMA published its final report on the Guidelines on…

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Washington, D.C.

Allen & Overy LLP
1101 New York Avenue, NW
Washington, D.C.

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Admitted: Bar of the State of New York, 2009

Admitted: Bar of the District of Columbia, 2016


J.D., cum laude, Harvard Law School, 2008

M.Phil, Faculty of Oriental Studies, Gates Cambridge Scholarship, King’s College, University of Cambridge, 2006

B.A., International Studies & Humanities, summa cum laude, Phi Beta Kappa, Alpheus Henry Snow Prize, Yale College, 2003

Published work

Trump Eyes Reforms to Corporate Earnings Reports (National Review Online, Aug. 28, 2018).

"Saving Securities Regulation," National Affairs (Jan. 2, 2017).

Liquidity Coverage Ratio (Bloomberg BNA Banking Practice Portfolio Series No. 451).

An End to Too Big to Fail?: Recent Commentary on the Federal Reserve’s Total Loss-Absorbing Capacity Proposal,” FedSoc Blog (Feb. 4, 2016).

Reinforcing Glass-Steagall Won’t Prevent Another Financial Crisis,” The Federalist (Jan. 25, 2016).

Brief for the Committee on Capital Markets Regulation as Amicus Curiae Supporting Petitioners, Halliburton Co. v. Erica P. John Fund, Inc., 134 S. Ct. 1156 (2014) (No. 13-317), 2014 WL 60718 (contributing counsel).

SECプロクシー・アクセス・ルール無効判決の波紋(“Ripple Effects of the Judicial Invalidation of the SEC Proxy Access Rule”), 商事法務No. 1939 (Aug. 5, 2011).