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Are you David C. Mahaffey?
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Quick answer
David C. Mahaffey is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on General and Securities.
- Based in
- Washington, DISTRICT OF COLUMBIA
- Experience
- attorney
- Known for
- General · Securities
- Handles General and Securities matters from Washington, DISTRICT OF COLUMBIA.
- Recognized with Best Lawyers in America — Mutual Funds Law (2026).
About David C. Mahaffey: David C. Mahaffey is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on General and Securities.
Areas of practice
Practice focus
David C. Mahaffey represents clients in Washington, District of Columbia across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About David C. Mahaffey
David is the managing partner of the Washington, D.C. office, as well as the co-leader of the Investment Management Group. Prior to joining Sullivan & Worcester, David was Special Counsel in the Washington, D.C. office of Gibson, Dunn & Crutcher. He previously served as Assistant General Counsel for Legislation and Investment Company and Adviser Regulation at the Securities and Exchange Commission and as Counsel to SEC Commissioner Aulana Peters.
Credentials
Education
Harvard University
J.D. · 1982
Princeton University
B.A. · 1979
Jurisdictions
Bar admissions
District of Columbia
ACTIVE
Recognition
Awards & honors
Best Lawyers in America — Mutual Funds Law
2026
Best Lawyers in America — Securities Regulation
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Securities / Capital Markets Law
2026
Best Lawyers in America — Awards:
2026
Best Lawyers in America — Chambers Global,
2026
Best Lawyers in America — Ranked in Investment Funds (2021-2023)
2026
Best Lawyers in America — Chambers USA
2026
Best Lawyers in America — , Ranked in Investment Funds (Nationwide) (2015-2022)
2026
Best Lawyers in America — The Legal 500 U.S.
2026
Best Lawyers in America — (2012-2022)
2026
Best Lawyers in America — (2009-2023)
2026
Best Lawyers in America — Washington, D.C.
2026
Best Lawyers in America — Super Lawyers
2026
Best Lawyers in America — , Securities/Corporate Finance (2014-2017)
2026
Best Lawyers in America — Martindale-Hubbell
2026
Best Lawyers in America — featured AV Peer Review Rated
2026
Locations
Office locations
Client feedback
Client reviews
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Schedule your consultationFrequently asked
Common questions
What areas of law does David C. Mahaffey practice?
David C. Mahaffey focuses on General and Securities.
Where is David C. Mahaffey located?
David C. Mahaffey primarily serves clients in Washington, District of Columbia, with an office at 1666 K Street, NW.
Is David C. Mahaffey a verified attorney?
David C. Mahaffey's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with David C. Mahaffey?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 202-775-1200.
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