White Collar Defense, Regulatory and Investigations
Notable Representations, Key Contacts
Weil’s global White Collar Defense, Regulatory and Investigations practice includes former senior federal prosecutors and senior SEC enforcement officials. We draw on this impressive substantive and case management experience to provide clients with effective, efficient, and discrete counsel. We defend our clients in investigations led by the DOJ, SEC, CFTC, state attorneys general, the UK Financial Conduct Authority, other federal and state civil regulators, and self-regulatory agencies such as FINRA and NYSE.
In addition, working closely with lawyers across the Firm, we assist our clients in all phases of their compliance efforts, including responding to SEC examinations, review of compliance programs, development and implementation of compliance programs and audits, and coordination of internal and governmental investigations.
We understand how government actions and other allegations can affect our clients. Our strong government, regulatory and corporate experience gives us great insight into the frameworks that govern our clients’ industries, enabling us to address sensitivities and help them stay focused on their business objectives.
Key Contacts



See list of lawyers globally
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Recent Announcement
- Weil Adds First-Chair Trial Lawyer Nili Moghaddam to Complex Commercial Litigation Practice Press Release — May 01, 2025
- Seven Weil Partners Named 2025 Leaders in Crisis Management Firm Announcement — June 16, 2025
Ranked among the leading firms in New York for White Collar Crime and Government Investigations.
Chambers USA 2024
Weil’s White Collar practice is described as “adept at handling cross-border and multijurisdictional proceedings by the DOJ, SEC and international regulatory bodies” with “a strong, practical and experienced team that gets good results for its clients.”
Chambers USA
Ranked among the top investigations firms globally for ten consecutive years.
Global Investigations Review’s GIR 100 2015-2024
Weil has a track record of netting its client impressive results. It has proven time and again that it can secure declinations for companies.
Global Investigations Review
Weil is recognized among the leading firms in the U.S. for Corporate Investigations and White-Collar Criminal Defense for both Advice to Corporates and Advice to Individuals.
Legal 500 US 2024
Weil is “excellent on all levels” and offers “exceptional litigators with incredible bench strength and expertise who are “very knowledgeable [and] extremely responsive.”
Legal 500 US
Weil “has a respected litigation practice with a track record of handling criminal defense proceedings and investigations involving multiple regulatory bodies, drawing on extensive in-house prosecutorial experience.”
Chambers USA
Awards and Recognition, Speaking Engagements, Latest Thinking, Firm News & Announcements, Recent Announcement
Awards and Recognition
- Weil Named a Top Firm Globally for Investigations Award Brief — Global Investigations Review’s GIR 100 2015-2024
- Weil Named a “Leading Firm” for Litigation: White-Collar Crime & Government Investigations, New York Award Brief — Chambers USA 2024
- Weil Named a “Leading” Firm for Corporate Investigations and White-Collar Criminal Defense – Advice to Corporates Award Brief — Legal 500 US 2024
- Weil Named a “Leading” Firm for Corporate Investigations and White-Collar Criminal Defense – Advice to Individuals Award Brief — Legal 500 US 2024
Speaking Engagements
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Storming the Gatekeepers: When Compliance Officers and In-House Lawyers Are at Risk 2025
Speaker(s):
Robert Stern
July 16, 2025 — New York, NY — Weil Securities Litigation partner Robert Stern moderated the 2025 edition of PLI’s annual symposium, “Storming the Gatekeepers: When Compliance Officers and In-House Lawyers Are at Risk,” and also participated in several panels throughout the full-day event.
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AI and Compliance: The SEC’s Evolving Approach
Speaker(s):
Nili Moghaddam
June 13, 2025 — San Francisco, CA — Complex Commercial Litigation and White Collar Defense partner Nili Moghaddam led a panel discussion titled, “AI and Compliance: The SEC’s Evolving Approach,” at the Opal Group’s Compliance in the Age of AI 2025 conference. The panel discussed the SEC’s AI strategy, regulatory impact, and the debate around data privacy.
Latest Thinking
- Be Prepared for the Changing Worksite Immigration Enforcement Environment Alert — White Collar Defense, Regulatory and Investigations — By Daniel L. Stein, Andrew B Dean, Sanjay Wadhwa and Michael P. Heffernan — PDF — June 06, 2025
- DOJ Criminal Division’s Revision of the Corporate Enforcement Policy Alert — White Collar Defense, Regulatory and Investigations — By Daniel L. Stein, Michael P. Heffernan and Greg Burton — PDF — May 27, 2025
- Litigation Trends 2025 Publication — By Weil’s Litigation Department — May 22, 2025
- Recent SEC and DOJ Enforcement Actions and Charges Signal that AI-Washing is Firmly Within the Crosshairs of the Trump Administration Alert — Governance and Securities Enforcement — By Andrew B Dean, Olivia J. Greer, Adé Heyliger, Chris Mulligan, Robert Stern and Sanjay Wadhwa — PDF — May 12, 2025
- 1st Circ. Ruling May Slow SEC Retail Investment Advice Cases Publication — By Andrew B Dean, Chris Mulligan and Chelsea Spence — PDF — April 22, 2025
Firm News & Announcements
- Seven Weil Partners Named 2025 Leaders in Crisis Management Firm Announcement — June 16, 2025
- Weil’s 2025 Litigation Trends Report Firm Announcement — May 22, 2025