Samuel (Sandy) J. Winer, a partner and litigation lawyer with Foley & Lardner LLP, represents public companies, their board committees and auditors, investment banks, investment advisers, broker dealers, attorneys, and others in SEC investigations and related proceedings. Sandy is an experienced investigator with particular expertise leading teams in domestic and cross-border internal investigations. Sandy has deep experience advising public companies on sound governance, effective compliance procedures, and appropriate internal controls. He has served as an SEC independent consultant and an SEC/DOJ independent monitor responsible for overseeing and evaluating the compliance function of companies sanctioned by the SEC, including as the Foreign Corrupt Practices Act (“FCPA”) monitor for one of the largest publicly held hedge funds in the country. Sandy also counsels securities broker-dealers and investment advisers on compliance. He has represented various securities broker-dealers in SEC and SRO investigations of sales practices, municipal securities business, equity, fixed income and financial futures trading, and back office compliance and related supervision. He has represented various broker-dealers in significant investigations of the NASDAQ market, municipal securities offerings, sales of derivatives, financial reporting, and net capital compliance.

Sandy is a member of the firm’s Securities Enforcement and Litigation Practice and a former member of the firm’s Management Committee.

He served one year as a law clerk to Chief Justice Thomas H. Roberts of the Supreme Court of Rhode Island.


Sandy has been peer review rated as AV Preeminent®, the highest performance rating in the Martindale-Hubbell® Peer Review Ratings™ system.

Sandy been named a "Leading Lawyer" in Securities and Corporate Governance by the Legal Times. He was recently named to the BTI Client Service All-Star Team, who Corporate Counsel identified as providing outstanding client service.

Sandy has been selected by his peers for inclusion in The Best Lawyers in America© in the fields of Litigation – Securities (2011 - 2023), Securities/Capital Markets Law (2006 - 2023) and Securities Regulation (2011 - 2023). Samuel was named the Best Lawyers® 2015 and 2020 Securities/Capital Markets Law "Lawyer of the Year" and the 2017 and 2022 Litigation – Securities "Lawyer of the Year" in Washington, D.C.

Sandy was rated to be one of the top securities regulation attorneys in the nation by Chambers USA for 2009 - 2022, and one of the top regionally in the District of Columbia for 2007, 2008 and 2009.

He was selected for inclusion in the Washington, D.C. Super Lawyers® lists from 2008 - 2017.

Admissions and Professional Memberships

Sandy is a member of both the CCH Securities Regulation Advisory Board and Executive Council of the Federal Bar Association Securities Law Section. His professional affiliations include membership in the American Bar Association (Broker-Dealer Subcommittee of the Securities Litigation Committee, Market Regulation Subcommittee of the Committee on Federal Regulation of Securities) and the Securities Industries and Financial Markets Association (Legal and Compliance Section). He is admitted to practice in the District of Columbia.


  • Boston University School of Law (J.D.)
    • Editor, Law Review
  • Wesleyan University (B.S., economics, with honors)

Publications and Presentations

A former staff attorney and special counsel with the Securities and Exchange Commission's Division of Enforcement, Sandy is a frequent speaker and has authored various publications on the defense of SEC investigations and topical issues under the federal securities laws, including:

  • Editor: “Audit Committee Deskbook,” Practising Law Institute (2022)
  • Co-author: "Preparing to Meet with the Government Following a Whistleblower’s Report," BNA Insights, Vol. 43, No. 35, p. 1790 (August 2011) 
  • Co-author: "A New Burr Under the SEC’s Saddle: Changing Standards for SEC Enforcement Remedies," BNA Insights, Vol. 21, No. 7 (July 2007)
  • Co-author: "Treatise: Securities Enforcement: Counsel and Defense," Lexis-Nexis (September 2005) 
  • Co-author: "Research Analyst Conflicts of Interest: Implementing the Rules," Journal of Investment Compliance, Vol. 4, No. 4, p. 82 (Spring 2004) 
  • Co-author: "SEC Enforcement Investigation: What You Need to Know," ACC Docket, Vol. 21, No. 10 (November/December 2003) 
  • Author: "Should I Stay or Should I Go? Deciding Whether to Serve on the Board of a Public Company," D&O Advisor (Fall 2003) 
  • Co-author: "Preliminary Steps to Establishing Research Analyst Independence," Journal of Investment Compliance, Vol. 4, No. 1, p. 13 (Summer 2003) 
  • Co-author: "What Directors Should Know about SEC Enforcement Investigations," The Corporate Governance Advisor, Vol. 10, No. 1 (January/February 2002) 
  • Co-author: "Questions You Are Likely to Be Asked When Your Corporation Becomes the Subject of an SEC Enforcement Inquiry," BNA Corporate Practice Series (2001) 
  • Co-author: "Effective Representation in the SEC Wells Process," The Review of Securities & Commodities Regulation Vol. 34, No. 6 (Standard & Poor's, March 28, 2001) 
  • Co-author: "Responding to an Inquiry from the SEC Division of Enforcement," BNA Corporate Practice Series (1998) 
  • Co-author: "Defending the Insider Trading Probe," The Practical Lawyer (September 1995) 
  • Author: "Reducing the Liability Exposure of Derivatives Dealers," The Review of Securities and Commodities Regulation, Vol. 27, No. 22 (Standard & Poor’s Dec. 21, 1994) 
  • Co-author: "Ex Parte Contacts with Officers and Employees in SEC Investigations," 8 Insights: The Corporate and Securities Law Advisor 13 (Prentice Hall Law and Business, November 1994) 
  • Co-author: "When the SEC Comes Calling: A Step-by-Step Guide by Former Enforcers," 3 Business Law Today 13 (ABA July/August 1994), reprinted in Bowne Digest, Vol. 8, No. 10, p.5 (October 1994) 
  • Co-author: "Prompt Action Taken in Response to SEC Investigation May Ease Impact of Potentially Long, Burdensome Process," 9 BNA’s Corporate Counsel Weekly 8 (February 2, 1994)
  • Co-author: "Anticipating and Responding to an Inquiry by the SEC Enforcement Division’s Working Group on Insurance Companies," 14 Insurance Litigation Reporter 581 (Shephard’s, December 1992)