A headshot of Lesley Frieder Wolf.

Lesley Frieder Wolf

Of Counsel
Philadelphia
Delaware

Lesley Frieder Wolf is a trial‑seasoned commercial, white collar, and government investigations litigator known for her work on complex commercial and fraud matters and investigations involving allegations of both corporate and individual misconduct. She leads litigation efforts for public and private entities across a wide array of sectors, including health care, education, finance, manufacturing, and government enforcement. In both the private and public sectors, Lesley has demonstrated the ability to lead high‑stakes matters and advise clients navigating intricate regulatory, financial, and enforcement environments. Drawing on her decades of experience, Lesley partners closely with clients to shape proactive, results-driven legal strategies from the earliest stages of litigation through trial and appeal.

Lesley returned to Ballard Spahr from the U.S. Attorney’s Office for the District of Delaware, where she had served as Chief of the Economic Crimes Section. In that role, she supervised cases involving bank fraud, securities fraud, tax evasion, wire fraud, money laundering, and public corruption and handled investigations involving complex corporate and financial fraudLesley has led an investigative group of local, state, and federal law enforcement authorities investigating pandemic-related fraud; worked closely with federal banking regulators; and successfully litigated False Claim Act cases and defended the government against employment and tort claims.

Representative Experience 

Representative Matters

Commercial Litigation

  • Defended seller of self-funded health plan administration company in a $42 million post-acquisition dispute involving fraud and breach of contract claims, securing key dismissals and preserving counterclaims that led to a favorable resolution.
  • Represented an energy investment group in contentious litigation against an international investment partner, securing critical discovery rulings, including the right to depose the chair of a global energy conglomerate.
  • Obtained dismissal of federal civil rights claims against a public housing authority and its staff in litigation stemming from a fatal house fire.

Professional Highlights

Pro Bono Experience

Lesley maintains a robust pro bono practice, including representation of a Pennsylvania prisoner in civil rights litigation in federal court, challenging an Idaho book ban legislation on behalf of private schools and students, and successfully obtaining political asylum for a Ugandan woman.

Judicial Clerkships

Hon. Anita B. Brody, U.S. District Court for the Eastern District of Pennsylvania, 2001

Recognition & Accomplishments

Chambers USA, Litigation: White-Collar Crime & Government Investigations (Delaware), 2025

Executive Office of U.S. Attorneys Director’s Award for Superior Performance by a Department of Justice Litigative Team, 2020

Council of the Inspectors General Award of Excellence – Investigations, 2019

IRS Criminal Investigations Excellence Award, 2019

Delaware Valley Chapter of International Association of Financial Crimes Investigators, Task Force of the Year, 2019

Speaking Engagements

Panel Instructor, “Role of the Federal Prosecutor,” Duquesne Law School, Federal Criminal Law Class, March 2022

Panel Instructor, “Prosecuting Lies to the Federal Reserve: A Case Study of Delaware’s Wilmington Trust Investigation and Prosecution,” Federal Reserve Bank of Philadelphia, Conference of Counsel, April 2019

Panel Instructor, “Corporate Investigations and Individual Accountability,” National Advocacy Center for the Department of Justice, Advanced Fraud and Economic Crimes Seminar, November 2018

Publications

“Evading Friendly Fire: Achieving Class Certification After the Civil Rights Act of 1991,” Columbia Law Review, Volume 100 No. 7, November 2000

Co-author, “The Company v. Itself: Derivative Action Pitfalls,” The Metropolitan Corporate Counsel, March 2006

Credentials 

Education

Columbia Law School (J.D. 2001)
James Kent Scholar
Columbia Law Review

Yale University (B.A., cum laude, 1996)
Academic All-American

Admissions

Pennsylvania

Delaware

U.S. District Court for the District of Delaware

U.S. District Court for the Eastern District of Pennsylvania

U.S. District Court for the Middle District of Pennsylvania

U.S. Court of Appeals for the First Circuit

U.S. Court of Appeals for the Third Circuit

U.S. Court of Appeals for the Ninth Circuit