Tanya L. Greene Partner

Tanya Greene is a respected litigator, an innovative diversity and pro bono champion, and an influential mentor. She works on high-profile, complex litigation for some of the most prominent corporations in the world. She has extensive experience managing consumer class actions and complex multi-plaintiff litigation for her Fortune 100 clients in heavily regulated industries, including finance, technology, aerospace and petroleum. She also serves on the firm’s national recruiting committee and is the pro bono coordinator for the firm’s Los Angeles Downtown and Century City offices.

Tanya defends national corporate clients in securities and shareholder litigation, class actions, and multiplaintiff toxic tort cases in state and federal courts. She represents major banks and private equity firms in cases involving securities fraud and insider trading allegations. She also advises on internal employment and regulatory investigations, risk management, compliance, corporate governance and corrective measures.

L.A. Biz named Tanya Greene to its 2021 Women of Influence list, an honor reserved for 10 women business leaders in the Los Angeles area for professional achievements, mentoring and commitment to their communities. This year, the Daily Journal also named Greene to its list of Top Women Lawyers for 2021, honoring the most accomplished women attorneys practicing in California. In 2020, the Daily Journal selected a victory by Greene and other McGuireWoods litigators for its 2020 “Top Verdicts” list.  In 2018, the Los Angeles Business Journal recognized Greene as one of the “Most Influential Minority Attorneys.”  In 2017, Greene received a “40 Under 40 Nation’s Best Advocates” award from the National Bar Association, the country’s oldest and largest national network of African-American lawyers and judges. In 2016, the National Diversity Council named her to its list of the “Top 50 Most Powerful & Influential Women in Law.”


Internal Investigations Experience

Monitored electric operations of major utility provider following widely-publicized catastrophic events involving multiple fatalities and significant property damage. Collaborated with experts in assessment of internal operations to evaluate effectiveness of regulatory and compliance programs.  Drafted interim reports regarding monitorship progress and recommendations.

Advised client in high-profile and highly publicized allegations of sexual misconduct and conducted investigation into claims of sexual harassment and inappropriate sexual conduct involving minors.

Class Actions/Mass Tort Litigation

Defended major technology company in consumer class action in federal court against tort claims involving the availability and functionality of features on electronic devices. 

Successfully second-chaired a trial where major oil refinery client was sued by a state regulator seeking more than $35 million in penalties.

Defended hedge fund and related entities in putative class action based on alleged insider trading in connection with $50 billion unsolicited offer to Botox-maker, Allergan.

Obtained early dismissal of putative consumer class action against major gas retailer alleging violations of California’s Unfair Competition Law, False Advertising Law and Consumer Legal Remedies Act over alleged failure to disclose debit card processing fees.

Assisted in obtaining early dismissal of major gas retailer in putative consumer class action alleging violations of the Song-Beverly Credit Card Act.

Worked on various putative class action and mass tort matters defending oil refinery client against environmental claims.

Represented major aerospace company in toxic tort litigation brought by multiple plaintiffs claiming personal injury in the form of various cancers arising out of air, groundwater and soil contamination.

Complex Business Litigation

Successfully second-chaired trial in state court for claims arising out of failure to pay wages, breach of contract and fraud; obtained $10.2 million jury verdict on behalf of individual former employees of multi-billion dollar investment.

Conducted witness examination at trial on behalf of debtor in dispute regarding priority of purported mechanic’s lien asserted by contractor of a toll road; obtained judgment in favor of client after trial.

Represented Hollywood producer in a breach of contract and ownership dispute involving his production company.

Represented major talent agency in trade secret litigation against a former sports agent for breach of confidentiality, non-solicitation and misappropriation of trade secrets. The case was profiled in The Wall Street Journal, the Los Angeles Times and the Sports Business Journal.

Represented provider of insurance brokerage services and individual employees in litigation involving theft of trade secrets and the enforceability of non-compete and non-solicitation provisions.

Defended a California law school against claims of monopolization and misappropriation of trade secrets brought by another law school operating in the same area; assisted in obtaining favorable ruling on motion to dismiss.

Represented glass manufacturer in multiple federal antitrust class action lawsuits in which plaintiffs alleged a worldwide price-fixing cartel among flat glass manufacturers.

Securities and Shareholder Litigation Experience

Represented leading hospitality management company and affiliated entities in litigation involving its response to alleged improper shareholder proposals.

Represented major real estate investment trust in connection $16.8 billion takeover bid.

Represented major UK bank and its affiliates in various actions brought by the National Credit Union Administration seeking rescission and damages relating to hundreds of millions of dollars in mortgage-backed securities.

Represented individual officer of French bank in civil litigation involving allegations of securities fraud.

Appellate Experience

Represented the developer of a major casino in connection with state court appellate proceedings and Chapter 11 cases initiated by a competing riverboat casino located in Sioux City.

Obtained favorable rulings in serial litigation in New York appellate and trial courts in connection with defending business developer client’s ability to continue $425 million casino development, which was staunchly opposed and repeatedly challenged in court by local individuals and competing businesses.

  • University of California Los Angeles School of Law, JD, 2009
  • California State University, Los Angeles, BA, cum laude, 2003

Los Angeles Offices Pro Bono Coordinator, McGuireWoods LLP

Member, Recruiting Committee, McGuireWoods LLP

Member, John M. Langston Bar Association

Board Member, Legal Aid Foundation, Los Angeles (Advisory Board)

Board Member, UCLA Law Women LEAD

  • Speaker, "Masterclass: How to Become an Expert in Your Field and the Go-To Lawyer Within Your Company," Career Strategies Conference, Corporate Counsel Women of Color, September 30, 2020
  • California
  • U.S. Court of Appeals for the 9th Circuit
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Eastern District of California
  • U.S. District Court for the Northern District of California
  • U.S. District Court for the Southern District of California

Named to "Women of Influence," L.A. Biz, 2021

Named to "Top Women Lawyers," Daily Journal, 2021

Selected for Inclusion, Daily Journal, “Top Verdicts,” 2020

“Pro Bono Volunteer Service Award,” Legal Aid Foundation of Los Angeles, 2019

“40 Under 40 Nation’s Best Advocates,” National Bar Association, 2018

Alumni of the Year, Black Law Students Association, UCLA School of Law, 2018

“Most Influential Minority Attorneys,” Los Angeles Business Journal, 2018

“Rising Star,” Southern California Super Lawyers, 2015-2019

“Top 40 Under 40,” National Black Lawyers, 2017

“Top 50 Most Powerful & Influential Women in Law,” National Diversity Council, 2016

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