Margaret H Allen

MARGARET ALLEN is the co-leader of Sidley’s Labor, Employment and Immigration practice who represents companies in high-stakes employment and civil rights matters. Margaret is a go-to advisor to executives and boards due to her business-minded approach and commitment to client success. She regularly advises employers on complex employment issues, including whistleblower claims and sensitive executive matters.

In addition to her employment law focus, Margaret also has extensive experience in internal investigations and enforcement actions involving the Department of Justice, the Securities and Exchange Commission, and many other federal and state agencies.

Margaret also represents employers and executives in complex commercial litigation, including class actions, multi-jurisdictional disputes, and high-risk business litigation involving breach of contract, business torts, and securities claims. Her litigation experience covers all phases of cases, from pleadings and discovery to trial and appeal, in both U.S. courts and arbitration forums.