Mr Zachary Brez > Kirkland & Ellis LLP > New York, United States > Lawyer Profile

Kirkland & Ellis LLP
NEW YORK, NY 10022
United States
Zachary Brez photo


Zach works with companies and their senior officers and directors to investigate, mitigate, defend and advise on complex enforcement and regulatory matters in two primary areas: (1) securities, futures, and derivative financial products before the DOJ, SEC, and CFTC, as well as FINRA, the CME, ICE, CFE, and others; and (2) international risk, such as antibribery and corruption, sanctions, anti-money laundering, and antiboycott issues.

Zach is the co-author of leading practitioner guides in these two areas, which are published by Bloomberg BNA: Commodities & Futures Enforcement: Practice and Procedure in CFTC and SRO Investigations and Sanctions Enforcement and Compliance: A Practitioner’s Guide to OFAC.

Prior to joining Kirkland, Zach was a staff attorney in the Division of Enforcement for the United States Securities and Exchange Commission.


Georgetown University Law Center, J.D., cum laude, 1999; University of Pennsylvania, B.A., 1994.

Lawyer Rankings

United States > Dispute resolution > Financial services litigation

Based primarily in the firm’s Chicago office, Kirkland & Ellis LLP‘s financial services team specializes in representing clients in investigations and enforcement actions brought by the SEC, FINRA, the CFPB and other regulators. Moreover, the practice group also benefits from the firm’s expertise in M&A and shareholder derivative litigation, and its deep knowledge of the regulatory challenges facing fintech clients. Zachary Brez, based in New York, advises companies and individuals on issues relating to complex financial products, FCPA matters, anti-money laundering and economic sanctions. Chicago-based commercial litigator Gabor Balassa has expertise in claims involving accounting malpractice, breach of contract and breach of fiduciary duty. In DC, Erica Williams focuses on SEC and DOJ investigations, drawing upon her experience as the former deputy chief of staff at the SEC.

United States > Dispute resolution > International trade

The team at Kirkland & Ellis LLP places strong emphasis on cross-border investment clearance issues involving the Committee on Foreign Investment in the United States (CFIUS). Another area of focus is the US- and the international sanctions regime, and here, the team’s recent work reflects a notable strength in private equity-related matters; an area where practice co-head Mario Mancuso in Washington is a name to note. In the New York office, joint practice head Zachary Brez is a key contact for international enforcement and regulatory matters, including complex investigations with a cross-border element. Also recommended is Nick Niles, who leads on enforcement matters from the Chicago office.