New feature: Customize your PLUS research experience with My Preferences. Learn more.
Skip to main content

Keeping It Confidential: Privilege FAQs from a UK and US Perspective


Speaker(s): Daniel Natoff, Matthew L. Mazur, May Chiang
Recorded on: Jul. 20, 2020
PLI Program #: 304118

Daniel Natoff is a solicitor-advocate who advises clients on a range of regulatory and litigation matters, acting in both domestic and international disputes. His practice is focused on regulatory investigations and enforcement in the financial services sector. Mr. Natoff has acted in matters involving a wide variety of domestic and international regulators, including the Financial Conduct Authority, the Securities and Exchange Commission, the Department of Justice, and the Commodities Futures Trading Commission. Mr. Natoff regularly advises global financial institutions on all stages of internal and external investigations, section 166 FSMA investigations and enforcement proceedings. His experience includes counseling clients on issues of market abuse, insider dealing, anti-money laundering systems and controls, internal policies and procedures, mis-selling of financial products and disclosure of confidential information.

Mr. Natoff also has a broader litigation practice, with extensive experience of advising major financial institutions and corporates on multi-billion pound class actions, derivatives mis-selling, fraud and investment management disputes. The Legal 500 UK 2020 lists Mr. Natoff as a key lawyer for civil fraud and commercial litigation. He is described by clients as “a rising star, who is assured, polished, and with a remarkable focus on clients and their needs” and he “glues many different parties together to deliver a coherent and powerful output to the client.”

Prior to joining Dechert, Mr. Natoff served as an associate at another international law firm where he focused on regulatory investigations and enforcement and litigation. Mr. Natoff spent a year on secondment to a major bank where he reported directly to the Head of Litigation, Regulatory and Investigations. His previous experience also includes a secondment at Nestlé, working on several contentious and commercial matters.


Matt Mazur is an experienced American litigator who advises corporate and individual clients in U.S. government investigations, enforcement proceedings, internal investigations, and related litigation. Based in London, Mr. Mazur has significant experience in multi-agency and crossborder investigations involving a range of U.S. authorities, including the Department of Justice (DOJ), the Securities and Exchange Commission (SEC), and the Commodities Futures Trading Commission (CFTC). He also litigates complex commercial disputes in U.S. federal and state courts, as well as commercial arbitrations.

Mr. Mazur has been lead defense counsel or co-counsel in over twenty jury trials and bench trials, and he has briefed and argued over twenty appeals before the New York Court of Appeals, the Appellate Division of the New York Supreme Court, and the United States Court of Appeals for the Second Circuit. In 2015, Mr. Mazur was recognized as a “Rising Star” by the New York Law Journal, placing him among a select group of lawyers under age 40 who have established a record of accomplishments, as well as demonstrated that they are top contributors to the practice of law and their communities. Since 2017, he has been listed as a top-rated white collar crimes attorney by Super Lawyers, a publication of Thompson Reuters, following his earlier selection as a “Rising Star.”

Before joining Dechert in 2011, Mr. Mazur served for seven years as a public defender, first at the Public Defender Service for the District of Columbia and then the Office of the Appellate Defender in New York City. He regularly provides pro bono representation to indigent men and women in criminal matters in federal and state court. In March 2015, he won a complete acquittal after a two-week jury trial for a pro bono client charged with armed robbery in Queens Supreme Court. In November 2016, he won another complete dismissal of child abuse allegations after a bench trial for a pro bono client in the New York Family Court.

Mr. Mazur serves on the Board of Trustees of the Neighborhood Defender Service of Harlem, a community-based public defender in New York City.


May Chiang is a senior associate in Dechert's Trials, Investigations, and Securities group. She represents clients in complex commercial disputes and multinational litigation before federal and state courts, and has litigated cases at both the trial and appellate levels. She has also assisted clients in internal investigations, government investigations, and commercial arbitrations.

Ms. Chiang maintains an active pro bono practice. She acts as lead counsel for a group of private plaintiffs in a voting rights suit against the New York City Board of Elections, where she won preliminary injunctive relief after a lengthy oral argument and continues to oversee the City's compliance with a court-ordered consent decree. She also successfully argued a cross-motion for summary judgment in a civil liberties case before the United States District Court for the District of Columbia.

Ms. Chiang is a recipient of Dechert's 2017 Exceptional Teacher Award, which honors the most proactive lawyers who have dedicated their time to training and developing the firm's associates. Ms. Chiang has also served on the firmwide Associates' Committee, and is active in Dechert's Asian American Affinity Group and Global Women's Initiative.

Before joining Dechert, Ms. Chiang clerked for the United States District Court for the Eastern District of New York, practiced communications law at a leading Washington, D.C. firm, and served as a legal intern at the Office of White Counsel. In 2014, Ms. Chiang was included in the 2014 Lawyers of Color Hot List for the Mid-Atlantic Region, which recognizes early to mid-career attorneys of color excelling in the legal profession.