Daniel Simon

Dan Simon is a trial lawyer who represents plaintiffs and defendants—from individuals to Fortune 100 companies—in high-stakes litigation across the country.  His practice spans complex commercial disputes, securities and fiduciary litigation, personal and business torts, whistleblower matters, and appellate advocacy, with experience in federal and state courts from pre-suit strategy through trial and appeal.  Across matters, Dan is known for navigating interlocking claims across multiple forums and aligning litigation strategy with the business and personal objectives that drive his clients’ desired outcomes.

LITIGATION WORK

Dan currently represents claimants in a $250 million-plus breach of contract action in New York Supreme Court against Beast Industries and Jimmy Donaldson (MrBeast), where he has led appellate briefing, taken and defended depositions, and guided dispositive motion strategy.  He also defends against securities fraud claims in the Northern District of California and brings affirmative fiduciary duty and contract claims in the Delaware Court of Chancery in litigation related to the shut-down of a unicorn social media company

Dan’s practice includes serving as national coordination counsel for Walmart Inc. in tort litigation, where he helps manage a nationwide docket of personal injury and premises liability cases, with a focus on resolving high-risk matters in late-stage litigation.  Dan also represents the City of Baltimore in pursuing price-fixing, fraud, and consumer protection claims against insulin manufacturers and distributors, and defends individuals in Texas Business Court litigation involving alleged fraudulent transfers arising from the sale of a chemicals plant.  And Dan has defended patentholders in both trial and appellate courts against claims of infringement.

Dan represents whistleblowers in qui tam actions alleging fraud against the federal government, as well as individuals in sensitive pre-suit matters, including wrongful death claims arising from alleged gross negligence and confidential whistleblower proceedings before federal agencies.

BACKGROUND

Dan joined Susman Godfrey after three federal clerkships: for Judge Michael Park on the United States Court of Appeals for the Second Circuit, Judge Thomas Kirsch on the United States Court of Appeals for the Seventh Circuit, and Judge James Wesley Hendrix on the United States District Court for the Northern District of Texas. 

He received his law and undergraduate degrees with honors from the University of Chicago.  During law school, he interned for the Department of Justice’s Criminal Appellate Section in Washington, D.C. and the United States Attorney’s Office in Brooklyn.  Before law school, Dan worked as the appellate paralegal for the Washington, D.C. office of an international law firm.

He is a member of the Federal Bar Association’s Southern District of New York chapter.

Clerkships

Education

Admissions

Publications