Rizkallah

Leah S. Rizkallah

Partner
Boston

I help clients navigate complex litigation and sensitive investigations, delivering strategic solutions and vigorously litigating when necessary to protect their interests.

Leah S. Rizkallah is an experienced litigator whose practice focuses on complex business litigation, internal and government investigations, and high-stakes employment disputes. She advises clients across a broad range of industries and regularly advises clients in the accounting and financial services space. 

Leah represents companies and individuals in investigations by the SEC, DOJ, and other regulators and also advises clients in internal investigations involving allegations ranging from financial fraud to management misconduct. In her civil litigation practice, she frequently represents clients in both state and federal court actions involving breach of contract, fraud-based claims, unfair and deceptive trade practices, breach of fiduciary duties, and non-competition claims. 

Education

  • Northwestern University School of Law, J.D., magna cum laude, Order of the Coif, 2016
  • Boston University, B.S., summa cum laude, 2012

Bar and Court Admissions

BAR ADMISSIONS
  • Massachusetts
  • New York

COURT ADMISSIONS

  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the District of Massachusetts
  • U.S. District Court for the District of Columbia

Experience

COMPLEX COMMERCIAL LITIGATION

  • Representing class of investors in breach of contract and breach of fiduciary duty litigation against broker-dealer in connection with trades executed on the NYSE.
  • Represented Big Four accounting firm against aiding and abetting fraud claim in the Commercial Division of the New York Supreme Court.
  • Represented investment management company and leadership in Delaware Court of Chancery in connection with non-competition, fiduciary duties, and trade secrets dispute with major fast-casual restaurant chain.
  • Represented clean energy company in arbitration hearing concerning claims of fraudulent inducement and breach of contract.
  • Obtained dismissal of unjust enrichment claim against private equity firm in Delaware Court of Chancery.
  • Successfully represented large shareholder in a books and records trial in the Delaware Court of Chancery. 

GOVERNMENT AND INTERNAL INVESTIGATIONS

  • Representing Big Four audit firm in connection with SEC investigation concerning global pharmaceutical company.
  • Conducted internal investigation for national accounting firm concerning allegations of gender discrimination and management misconduct.
  • Representing Big Four accounting firm in grand jury subpoena and related litigation.
  • Conducted internal investigations for companies in the sports, broadcasting, and technology industries related to allegations of race and gender-based discrimination, sexual harassment, and hostile work environments by employees.
  • Conducted internal investigation for insurance company related to anonymous complaints alleging improper and unfair claims management and financial manipulation.
EMPLOYMENT-RELATED LITIGATION
  • Representing university in federal litigation concerning gender discrimination and pay equity.
  • Obtained a preliminary injunction on behalf of a pharmaceutical client in federal district court involving enforcement of a non-competition agreement, and successfully represented the client in First Circuit appeal.
  • Represented pharmaceutical client in the Massachusetts Superior Court Business Litigation Section in connection with non-competition and non- solicitation dispute.
  • Represented founder and CEO in dispute and arbitration involving alleged breaches of employment agreements and fiduciary duties.
  • Advises a variety of clients in pre-litigation non-competition and non-solicitation disputes.

Honors & Involvement

HONORS
  • Recognized as an emerging leader by the Boston Bar Association
  • Best Lawyers: Ones to Watch - Criminal Defense: White-Collar (2024-2026), Commercial Litigation (2026), and Litigation - Labor and Employment (2026)
  • High Honor, Massachusetts Supreme Judicial Court, 2020 Pro Bono Honor Roll (November 2021)
  • High Honor, Massachusetts Supreme Judicial Court, 2019 Pro Bono Honor Roll (November 2020)
INVOLVEMENT
  • Co-Founder & Vice President of the Arab American Bar Association of Massachusetts 
  • Boston Bar Association 
  • Woman’s Bar Association