Lise K. Guerrier-Louis

Managing Associate

Washington, D.C.

Lise is committed to bringing clients dynamic results through the use of efficient and collaborative solutions within the areas of SAGE as well as White Collar government investigations. 

Lise assists clients with determining, ameliorating, and eliminating risk though either the channels of litigation or investigations. She possesses comprehensive knowledge of civil litigation and the process of discovery from filing of the initial complaint all the way through trial. Her work has spanned across industries and subject matters. Most recently, Lise was the only junior associate on a trial team that lead Zillow Group, Inc. in a successful full defense verdict against Real Estate Exchange, Inc. ("REX"). 

Lise's work also focuses on government-initiated investigations of corporations and individuals. She conducts internal investigations on behalf of boards, audit committees, and senior management. She has handled an array of matters, including FCPA violations, False Claims Act, insider trading, fraud, misconduct, and similar subjects in locations such as Saudi Arabia, India, Thailand, Russia, and more.

Prior to law school, Lise developed a robust knowledge of FCPA investigations and enforcement action working as a paralegal for matters involving technology and pharmaceutical corporations. She also has developed extensive technology-based legal experience working in-house at a multinational telecommunications conglomerate.

While at Orrick Lise has also served as a fellow at the Legal Aid Society of Washington D.C. where she advocated for clients affected by the COVID-19 public health emergency. During this time, she independently handled an expansive docket of clients and secured numerous victories litigating in both administrative court as well as the D.C. Court of Appeals.