DANIEL RUBINSTEIN is global co-leader of Sidley’s White Collar Defense and Investigations practice, a former Assistant U.S. Attorney, and a fellow of the prestigious American College of Trial Lawyers. He is a trusted advocate, investigator, and advisor for Fortune 500 companies and executives alike in high-stakes litigation, sensitive internal investigations, and complex enforcement actions. Dan has successfully tried 21 jury cases to verdict.
Dan is consistently recognized as a leading lawyer for white collar criminal matters, government investigations, and complex civil litigation. Chambers USA has ranked Dan for Litigation: White-Collar Crime & Government Investigations in Illinois (2018–2023). Clients in the 2023 edition of Chambers USA praise Dan for his skills as a trial lawyer, commenting that “he looks out for his client’s interests and is able to take on very complex litigation,” and go on to note that he “understands technical matters very well from a business perspective as well as a legal perspective.” Dan was named a “National Practice Area Star” and a “Litigation Star” for Securities and White-Collar Litigation in Benchmark Litigation (2023–2024). He has been recommended for Compliance and Investigations by The Legal 500 Latin America (2024). He also has been recognized by Who’s Who Legal.
Dan represents clients across a broad array of industries in complex civil, criminal, and regulatory enforcement matters. In particular, he has extensive experience in the financial services, healthcare, technology, consulting, and manufacturing sectors. He has handled a number of complex civil and criminal matters, including those involving enforcement actions brought by the Department of Justice (DOJ), U.S. Securities and Exchange Commission (SEC), and other Federal Agencies and State Attorneys General. Dan is recognized as a “go-to” trial lawyer, and, in addition to successfully trying 21 jury cases to verdict in state and federal court, Dan has also successfully litigated and argued numerous appeals before Federal Appeals Courts, conducted more than 100 bench trials and contested evidentiary hearings in state and federal court, and directed more than 100 investigations.
Dan honed his litigation prowess as an Assistant U.S. Attorney in both the Central District of California and the Northern District of Illinois. He won numerous accolades for his trial work, including the DOJ’s “Director’s Award” for superior performance as an Assistant U.S. Attorney, the Chicago Crime Commission’s “Stars of Distinction Award” (twice), and honors from the FBI, DEA, and IRS. In that capacity, he investigated and prosecuted a wide range of federal criminal cases involving the Racketeer Influenced and Corrupt Organizations Act (RICO), complex corporate and securities fraud, money laundering, public corruption, terrorism financing, international drug trafficking, and gangs. He also previously served as a Deputy District Attorney in Alameda County, California, and as a law clerk for the Honorable Ernest C. Torres, U.S. District Judge for the District of Rhode Island.
Dan taught trial advocacy to other Assistant U.S. Attorneys from around the country at the DOJ’s National Advocacy Center, and he instructed prosecutors, federal agents, and police officers at various classes and seminars involving the investigation and prosecution of federal criminal offenses. Dan previously served as a Lecturer in Law at the University of Chicago Law School, where he taught “Federal Criminal Practice” from 2007−2014. Dan was on the varsity wrestling team as an undergrad at Brown University.