Andrew S. May

Andrew S. May


Hahn Loeser & Parks LLP

Recognized since 2026

Chicago, Illinois

Practice Areas

Litigation - Securities

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Andrew S. May is a seasoned securities and commodities partner with decades of experience in navigating complex compliance issues, regulatory enforcement actions, and customer disputes, as well as industry disputes. As a true counselor to his clients, he prioritizes understanding their unique operations and challenges alongside the laws and regulations governing them.

With over 25 years of experience in serving participants in the securities and futures industries, Andrew is well-equipped to handle a wide range of legal issues faced by various entities such as future commission merchants (FCMs), introducing brokers, commodity pool operations (CPOs), commodity trading advisors (CTAs), floor brokers, and proprietary traders. He also defends the interests of proprietary trading firms, registered investment advisors (RIAs), clearing and retail broker-dealers (BDs), registered representatives (RRs), and hedge funds and their operators.

Andrew also has extensive experience in enforcement actions, examinations, and investigations involving the following:
Commodity Futures Trading Commission (CFTC)
Securities and Exchange Commission (SEC)
Financial Industry Regulatory Authority (FINRA)
Chicago Board Options Exchange (CBOE)
Chicago Mercantile Exchange (CME)
Chicago Stock Exchange (CSE)
National Futures Association (NFA)

He also handles arbitrations before the NFA, FINRA, and various exchanges such as CBOT, CME, and the former New York Stock Exchange (NYSE), as well as National Association of Securities Dealers (NASD).

In addition to his substantive experience with virtually all aspects of securities and commodities markets, Andrew advises financial services clients on business formation, compliance, disclosure, registration, and transactional matters.

Andrew’s legal career includes two decades with firms throughout Chicagoland and as a solo practitioner, concentrating on commodity futures regulation, broker-dealer regulation, and investment management.

Contact & Links
Location
  • 200 West Madison Street, Suite 2700
    Chicago, IL 60606
Education
  • DePaul University, J.D., graduated 1995
  • University of Illinois at Urbana–Champaign, B.A., graduated 1992
Bar Admissions
  • Illinois, Illinois State Bar Association, 1995
Court Admissions
  • U.S. District Court for the Eastern District of Michigan, 2010
  • U.S. District Court for the Northern District of Illinois, 1996

Hahn Loeser & Parks LLP
Headquarters: Cleveland, Ohio

61 The Best Lawyers in America® awards

25 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2026 for work in:
  • Litigation - Securities
Awards:
  • The Best Lawyers in America®, Litigation – Securities, 2026

Publications

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