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Donald L.
Thompson

Senior Attorney, Corporate

dthompson@cravath.com
  • Washington, D.C.+1-202-869-7712
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  • Overview
  • Credentials

Donald L. Thompson is a member of the Financial Institutions Group (FIG) Practice and focuses his practice on advising broker‑dealers and other financial services firms on a broad range of securities regulatory, enforcement, examinations, compliance and transactional matters.

Mr. Thompson has extensive experience counseling clients on a broad range of complex regulatory matters before the Securities and Exchange Commission (SEC) and self‑regulatory organizations, such as the Financial Industry Regulatory Authority (FINRA), including matters relating to crypto assets; broker‑dealer and investment adviser status and registration requirements; Rule 15a‑6 arrangements; investment research; Regulation ATS; Rule 15c2‑11; Regulation M; and Reg BI. He also has represented clients in SEC and FINRA enforcement investigations, examinations and litigation.

Mr. Thompson brings to bear significant first-hand experience from his time working within FINRA’s Office of Fraud Detection and Market Intelligence.

Mr. Thompson grew up in Tampa, Florida. He received a B.S. cum laude from Florida State University in 2014, a J.D. cum laude in 2017 from Florida State University College of Law, where he was the Managing Editor of the Law Review, and a Master of Laws in Securities and Financial Regulation (LL.M.) with distinction from Georgetown University Law Center in 2018.

Mr. Thompson joined Cravath in 2025. Prior to joining Cravath, he was associated with another law firm in Washington, D.C.

Mr. Thompson has extensive experience counseling clients on a broad range of complex regulatory matters before the Securities and Exchange Commission (SEC) and self‑regulatory organizations, such as the Financial Industry Regulatory Authority (FINRA), including matters relating to crypto assets; broker‑dealer and investment adviser status and registration requirements; Rule 15a‑6 arrangements; investment research; Regulation ATS; Rule 15c2‑11; Regulation M; and Reg BI. He also has represented clients in SEC and FINRA enforcement investigations, examinations and litigation.

Mr. Thompson brings to bear significant first-hand experience from his time working within FINRA’s Office of Fraud Detection and Market Intelligence.

Mr. Thompson grew up in Tampa, Florida. He received a B.S. cum laude from Florida State University in 2014, a J.D. cum laude in 2017 from Florida State University College of Law, where he was the Managing Editor of the Law Review, and a Master of Laws in Securities and Financial Regulation (LL.M.) with distinction from Georgetown University Law Center in 2018.

Mr. Thompson joined Cravath in 2025. Prior to joining Cravath, he was associated with another law firm in Washington, D.C.

Education

  • LL.M., 2018, Georgetown University
    cum laude
  • J.D., 2017, Florida State University College of Law
    cum laude
  • B.A., 2014, Florida State University
    cum laude

Admitted In

  • District of Columbia

Donald L. Thompson is a member of the Financial Institutions Group (FIG) Practice and focuses his practice on advising broker‑dealers and other financial services firms on a broad range of securities regulatory, enforcement, examinations, compliance and transactional matters.

Mr. Thompson has extensive experience counseling clients on a broad range of complex regulatory matters before the Securities and Exchange Commission (SEC) and self‑regulatory organizations, such as the Financial Industry Regulatory Authority (FINRA), including matters relating to crypto assets; broker‑dealer and investment adviser status and registration requirements; Rule 15a‑6 arrangements; investment research; Regulation ATS; Rule 15c2‑11; Regulation M; and Reg BI. He also has represented clients in SEC and FINRA enforcement investigations, examinations and litigation.

Mr. Thompson brings to bear significant first-hand experience from his time working within FINRA’s Office of Fraud Detection and Market Intelligence.

Mr. Thompson grew up in Tampa, Florida. He received a B.S. cum laude from Florida State University in 2014, a J.D. cum laude in 2017 from Florida State University College of Law, where he was the Managing Editor of the Law Review, and a Master of Laws in Securities and Financial Regulation (LL.M.) with distinction from Georgetown University Law Center in 2018.

Mr. Thompson joined Cravath in 2025. Prior to joining Cravath, he was associated with another law firm in Washington, D.C.

Mr. Thompson has extensive experience counseling clients on a broad range of complex regulatory matters before the Securities and Exchange Commission (SEC) and self‑regulatory organizations, such as the Financial Industry Regulatory Authority (FINRA), including matters relating to crypto assets; broker‑dealer and investment adviser status and registration requirements; Rule 15a‑6 arrangements; investment research; Regulation ATS; Rule 15c2‑11; Regulation M; and Reg BI. He also has represented clients in SEC and FINRA enforcement investigations, examinations and litigation.

Mr. Thompson brings to bear significant first-hand experience from his time working within FINRA’s Office of Fraud Detection and Market Intelligence.

Mr. Thompson grew up in Tampa, Florida. He received a B.S. cum laude from Florida State University in 2014, a J.D. cum laude in 2017 from Florida State University College of Law, where he was the Managing Editor of the Law Review, and a Master of Laws in Securities and Financial Regulation (LL.M.) with distinction from Georgetown University Law Center in 2018.

Mr. Thompson joined Cravath in 2025. Prior to joining Cravath, he was associated with another law firm in Washington, D.C.

Education

  • LL.M., 2018, Georgetown University
    cum laude
  • J.D., 2017, Florida State University College of Law
    cum laude
  • B.A., 2014, Florida State University
    cum laude

Admitted In

  • District of Columbia

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