Overview
Bob Allen is a partner in Kirkland & Ellis LLP’s Litigation and Government, Regulatory & Internal Investigations practice groups. His practice focuses on representing corporations and executives in regulatory and criminal investigations, internal investigations, corporate governance matters and complex litigation. He has represented some of the largest companies and many senior executives in their most significant matters, achieving successful resolutions and victories. Clients have called him “absolutely fantastic,” “thoughtful” and “incredibly intelligent” per Chambers & Partners (2025).
Before joining Kirkland, Bob served in the United States Attorney’s Office for the Southern District of New York. As a member of the Securities and Commodities Fraud Taskforce, Bob investigated and prosecuted securities fraud, accounting fraud, insider trading and other white-collar cases along with partners at the SEC, CFTC and elsewhere. During his tenure as a prosecutor, Bob tried seven cases to a verdict, winning convictions in every instance, and successfully argued many appeals before the Second Circuit.
Bob has been recognized by Chambers USA, The Legal 500 U.S., Benchmark Litigation and earlier in his career by Law360 as a “Rising Star.”
Bob graduated magna cum laude from Harvard Law School, where he was President of the Harvard Law Review and a recipient of the Sears Prize for having the highest first-year grades. Bob clerked for the Honorable Antonin Scalia of the United States Supreme Court and the Honorable Michael Boudin of the United States Court of Appeals for the First Circuit. Bob has served as a guest lecturer on white collar matters at several law schools writes and regularly speaks and writes on similar matters.
Experience
Representative Matters
Governmental and Regulatory (Companies)
- Represented a leading energy company in connection with the successful resolution of a DOJ trade-secret investigation.
- Represented multiple cryptocurrency exchanges in various government investigations and regulatory matters, including one exchange in the successful resolution of parallel of DOJ, FTC, SEC and CFTC investigations.
- Represented a leading financial institution in connection with the successful resolution of DOJ and CFTC investigations into alleged market manipulation and spoofing.
- Represented a leading electronic-vehicle company and certain of its executives in connection with the successful resolution of DOJ and SEC investigations of alleged disclosure violations.
- Represented a leading financial institution in connection with the successful resolution of DOJ, SEC and foreign FCPA investigations.
- Represented the Special Committee of a publicly traded beverage company in connection with allegations of accounting fraud.
- Represented a private equity sponsor in a US qui tam action in the Eastern District of Texas that named both the sponsor and the portfolio company. Matter resolved without any action against sponsor.
- Represented a leading government contractor in a qui tam action in the Southern District of New York. The government declined to intervene.
- Represented a leading health insurance company in connection with a qui tam action in the Middle District of Florida. The government declined to intervene.
- Represented multiple private equity sponsors in SEC and DOJ investigations regarding alleged misuses of material nonpublic information and other regulatory matters.
- Represented a foreign defense contractor and certain of its executives in parallel criminal and congressional investigations of alleged False Claims Act violations.
Governmental and Regulatory (Individuals)
- Represented the Founder and Chief Executive Officer of a major, publicly traded entertainment company in a DOJ and SEC securities fraud investigation. DOJ declined to bring charges; SEC matter resolved favorably.
- Represented the founder of a hedge fund in a DOJ and SEC insider trading investigation. Government did not bring charges.
- Represented the Chief Executive Officer of a division of multinational industrial company in a criminal DOJ False Claims Act investigation. Government did not bring charges.
- Represented the founder of a private equity sponsor in connection with insider trading allegations. Government did not bring charges.
- Represented an investment banker at a multinational financial institution in a DOJ insider trading investigation. Government did not bring charges.
- Represented the independent directors of a leading, publicly traded social media company in a federal securities fraud investigation.
- Represented executives in connection with testimony at trials and hearings, including the former Chief Compliance Officer of a multinational financial institution.
Civil Litigation
- Represented a publicly traded industrial company in litigation against foreign airlines for breaches of engine sales contract.
- Represented a pharmaceutical company in multi-district litigation alleging fraudulent misrepresentations to the FDA and antitrust violations.
- Represented a publicly traded airline in antitrust and breach-of-contract litigation.
- Represented a publicly traded real estate brokerage in litigation brought by an alleged founder of company.
- Represented a major social media company in shareholder class actions and derivative litigation stemming from its IPO.
Clerk & Government Experience
Assistant United States AttorneyUnited States Attorney’s Office for the Southern District of New York
Law ClerkHonorable Michael BoudinUnited States Court of Appeals for the First Circuit
Law ClerkHonorable Antonin ScaliaSupreme Court of the United States
More
Thought Leadership
Publications
“DOJ and SEC crypto exchange enforcement in the United States,” Americas Investigations Review 2026, Global Investigations Review, August 2025
“DOJ and SEC crypto exchange enforcement in the United States,” Americas Investigations Review 2025, Global Investigations Review, August 2024
“Winning Methods for Resolving Cross-Border Securities Investigations,” The Guide to International Enforcement of the Securities Laws – Third Edition, Global Investigations Review, November 2023
“DOJ, SEC Will Keep Ramping Up Enforcement Around Private Funds,” Bloomberg Law, January 30, 2023
“SEC Enforcement Record Stems From More Penalties, Not More Cases,” Bloomberg Law, January 13, 2023
“Resolving Securities Enforcement Investigations,” The Guide to International Enforcement of the Securities Laws – Second Edition, Global Investigations Review, November 2022
“Resolving Securities Enforcement Investigations,” The Guide to International Enforcement of the Securities Laws – First Edition, Global Investigations Review, November 2021
“U.S. Law and Practice,” Chambers Global Practice Guide: White-Collar Crime, October 2020
Speaking Engagements
Panelist, “Enforcement and Regulation of Cryptocurrencies and Other Digital Assets,” American Bar Association National Institute on White Collar Crime, March 7, 2024
Panelist, “Digital Assets and Blockchains,” Federal Bar Council Winter Conference, February 17, 2023
Recognition
Recognized by Best Lawyers® for Criminal Defense: White-Collar, 2024–2026; Commercial Litigation, 2026
Recognized by The Legal 500 U.S. for Corporate Investigations and White-Collar Criminal Defense, 2020–2025
Recognized by Chambers USA for Litigation: White-Collar Crime & Government Investigations (New York), 2023–2025
Recognized in Benchmark Litigation’s “40 & Under Hot List,” 2020–2024
Recognized by Law360 as a “Rising Star” for Banking, 2021
Credentials
Admissions & Qualifications
- New York
- District of Columbia
Education
- Harvard Law SchoolJ.D.magna cum laude
President, Harvard Law Review
Sears Prize (highest first-year grades)
Research Assistant, Committee on Capital Markets Regulation
- Emory UniversityB.A., Economics & Political Sciencewith Highest HonorsJack and Lewis Greenhut Award (best economics thesis)