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Gittings Global - NE131782

Leeanne S. Mancari

Partner

Los Angeles +1 424 332 4807

  • About
  • Representative Matters
  • Credentials
  • About

    Leeanne Mancari is co-chair of the firm's E-Discovery, AI, and Information Governance Practice, and is a Chambers-ranked e-discovery litigator and advisor. She guides clients on all aspects of national and international discovery, and frequently serves as lead e-discovery counsel on large-scale and highly-publicized litigations, including multidistrict and other complex litigations.

    Leeanne strategically counsels clients on complex discovery issues to form defensible, efficient, and creative solutions for litigations and investigations. She routinely litigates discovery-related issues and appears in state and federal courts. Leveraging her deep knowledge on cutting edge technology – including AI and machine learning – Leeanne formulates efficient and effective workflows for all phases of data preservation, collection, review, and production, and has expertise dealing with extraordinary volumes of documents and complex data sources.

    Further, Leeanne counsels clients in pre-litigation and non-litigation settings related to information management, including preservation, records management, defensible deletion, risk assessments, and related policies and procedures. Leeanne also advises on international data transfer issues.

    Leeanne is a highly regarded global thought leader in the e-discovery arena and has spoken and published extensively. She has held several leadership positions in The Sedona Conference Working Group 6, which focuses on international e-discovery and information governance issues. In her role as Chair of the Steering Committee, Leeanne frequently speaks as a panelist on topics in e-discovery, AI, international electronic information, and disclosure, among others.

    Areas of Expertise

  • Practices and Industries
  • Representative Matters

    E-Discovery Litigation and Counseling

    • Represented large food and beverage entity on discovery issues in multiple lawsuits spanning the country involving personal injury and consumer fraud; focused on developing consistent discovery approach and advised on complex preservation issues; represented client in court for discovery conferences and motions.
    • Assisted global pharmaceutical company on numerous information governance initiatives, including defensible deletion projects, data e-discovery risk assessments, and creation of corporate informative governance policy.
    • Created e-discovery risk assessment for large insurance company.
    • E-discovery counsel for client in a large complex products liability MDL; created and oversaw e-discovery strategy; successfully defended spoliation claims; prepared witnesses on e-discovery issues.
    • Created numerous information governance policies for large media company with accompanying implementation plan.
    • Retained as national e-discovery counsel for pharmaceutical company; implemented e-discovery policies and procedures, including preservation, legal hold and collection protocols; consulted on e-discovery issues arising in various litigations; advised on foreign data collection.
    • E-discovery counsel for national insurer and e-discovery contact for numerous litigations across country to ensure consistent and defensible approach to e-discovery; negotiated complex e-discovery issues with opposing counsel.
    • Assisted global pharmaceutical client defend against discovery sanctions motion, prepared witnesses to testify on such issues; implemented record retention and litigation hold policies for foreign subsidiary; conducted data and information inventory assessment of foreign subsidiary.
    • Conducted inventory analysis for large insurance company to align records and data with records retention policies; drafted associated preservation procedures.
    • E-discovery counsel for accounting company on e-discovery issues arising in government investigations and litigations.
    • Counseled foreign tire company in potential product liability exposure in U.S. with regards to expectations for U.S. discovery.

    Other Complex Disputes

    • In addition, Leeanne has handled numerous complex litigations for national and multinational companies outside the context of e-discovery, including product liability suits, licensing disputes, and other general commercial disputes. She has successfully represented clients in arbitration and in government and regulatory investigations

    Areas of Expertise

  • Credentials
    Education
    • Fordham University School of Law, J.D., 2004
        • Fordham International Law Journal
        • Dean's List
    • The George Washington University, B.A., 2000
    Bar Admissions
    • California
    • New York
    Pro Bono
    • Obtained asylum for Guatemalan and Somali refugees.
    • Obtained injunctive relief reuniting refugee family members after separation at the U.S. border.
    • Traveled to Nepal and trained women lawyers on various substantive legal issues.
    • Educated Zambian law students on legal writing.
    • Successful federal trial obtaining rights on behalf of a foreign national under the Hague Convention on the Civil Aspects of Child Abduction (affirmed by Second Circuit).
    • Successfully obtained relief for a class of children abused at a government detention center.
    • Obtained increased benefits for a Gulf War veteran before the Department of Veterans Affairs.
    • Counseled magistrate judges in Guyana regarding juvenile justice.
    Accolades
    • Chambers Global, E-Discovery & Information Governance (2022-2025)
    • Chambers USA, E-Discovery & Information Governance (2021-2024)
    • Los Angeles Business Journal, "Leaders of Influence 2022: Thriving in Their 40s" (2023)
    • The Legal 500 US, Recommended, Dispute Resolution E-Discovery (2020-2023)
    Memberships and Affiliations
    • Chair of Steering Committee, The Sedona Conference, Working Group 6 (International Electronic Information Management, Discovery and Disclosure)
    • Member of The Sedona Conference, Working Group 1 (Electronic Document Retention and Production)

    Areas of Expertise

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