About
Jack Barber is a litigation partner at Latham & Watkins LLP, who advises public companies, private equity firms, portfolio businesses, and accounting firms on significant legal and regulatory matters. He works closely with executives, management teams, and boards when difficult risks arise. His practice focuses on securities litigation, professional liability defense, internal investigations, government investigations, white collar matters, and complex business law disputes. He serves as lead counsel in high stakes cases and helps organizations respond to scrutiny from regulators while protecting business interests effectively daily.
Jack earned a J.D. from Notre Dame Law School, and graduated cum laude. He also received a B.B.A. from the University of Notre Dame. His academic background provided a strong foundation in business, finance, and legal analysis. The combination of legal training and accounting knowledge supports his work on financial statements, disclosures, auditing standards, securities filings, and complex investigations. He applies that education to evaluate risks, understand technical records, explain complicated issues clearly, and advise clients through challenging matters.
Jack has represented clients in civil and criminal matters involving the Securities and Exchange Commission, Department of Justice, Public Company Accounting Oversight Board, FINRA, and other regulators throughout his career. He has guided organizations through enforcement actions, examinations, and internal reviews. His experience also includes securities class actions, trade secret disputes, non competition litigation, and professional liability matters. Before joining Latham & Watkins LLP, he served as assistant general counsel at a national accounting firm and practiced at a litigation boutique.
Jack Barber helps clients identify concerns early, develop practical strategies, and address complex issues before they grow into larger problems. He is known for combining legal judgment with financial insight when advising businesses facing sensitive investigations or litigation. His work supports informed decision making, stronger governance, and effective communication with regulators and stakeholders. He also contributes substantial pro bono efforts, including matters that support military veterans and initiatives that improve access to justice for people seeking legal assistance when needed regularly.
Law Office Affiliations
- Partner, Latham & Watkins LLP
- Member, Illinois State Bar Association
Licensed State
- Illinois
Education
- Notre Dame Law School
Juris Doctor (JD) - University of Notre Dame
Bachelor of Business Administration (BBA)
Awards & Badges

- Banking & Finance
- Corporate & Incorporation
- Mergers & Acquisitions
- Professional Liability
- Litigation
- White Collar Crime




