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Robert L.D. Colby
Partner
Mr. Colby is a partner in Davis Polk’s Washington DC office. He advises on complex regulatory and compliance matters involving securities and derivatives for broker-dealers, financial institutions, investment advisers, markets, and clearing organizations.

Before joining Davis Polk in 2009, Mr. Colby served for 17 years as Deputy Director of the Securities and Exchange Commission’s Division of Trading and Markets, where he was responsible for the regulation of broker-dealers, securities markets, and clearing organizations. Previously, he was Chief Counsel of the Division and Chief of the Division’s Branch of Market Structure.
Contact
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  • Washington
    901 15th Street, N.W.
    Washington, DC 20005
    P: 202-962-7121
    F: 202-962-7080


  • New York
    450 Lexington Avenue
    New York, NY 10017
    P: 212-450-6564
    F: 212-450-5537
Bar Admissions
  • District of Columbia
Education
  • B.A., Bowdoin College, 1977
    • summa cum laude
    • Phi Beta Kappa
  • J.D., Harvard Law School, 1981
    • cum laude

Recognition
Mr. Colby is recognized as a leading lawyer by Chambers USA 2010, where he is identified as “greatly respected by peers and valued by clients for his ‘fantastic, pragmatic advice’ in the broker-dealer area.”
Of Note
  • Served as an Adjunct Professor, Georgetown University Law Center
  • Authors frequent articles on financial reform legislation, broker-dealer regulation, market structure issues and securities compliance questions
  • Speaks often on a wide range of derivatives, broker-dealer, market and operations topics at domestic and international conferences
Professional History
  • Partner, Davis Polk, 2010
  • Counsel, Davis Polk, 2009-2010
  • Deputy Director, U.S. Securities and Exchange Commission, 1993-2009