Joanne L. Wisner is a staff attorney in O’Melveny's Washington, DC office and a member of the Litigation Department and Electronic Discovery Practice Group. Joanne has contributed her expertise in leading large-scale e-discovery teams to some of the firm’s highest-profile matters across an array of subject areas, including antitrust, financial services, trade secrets and securities. Joanne is a recipient of a 2024 Warren Christopher Values Award. This is an award recognizing O’Melveny colleagues and alumni who most embody the firm’s core values of excellence, leadership, and citizenship.

Joanne focuses on overseeing large scale electronic discovery projects and teams in a broad range of cases, including government merger and antitrust investigations, internal investigations, and multi-district litigation matters. Joanne manages and contributes to all aspects of the discovery process including document collection, review, production, and fact development to provide seamless, documented, defensible and high-quality work product. She trains and supervises other staff attorneys and contract attorneys who review documents for production and drafting of privilege logs; partners with attorneys and project managers to perform production quality control; reviews documents for production and deposition preparation; and interacts with e-discovery vendors and their review and analytical tools.