Allison Holt Ryan | Washington, D.C. | Hogan Lovells

Allison Holt Ryan

Partner Litigation, Arbitration, and Employment


Allison Holt Ryan
  • Overview
  • Experience
  • Credentials
  • Insights and events

Allison Holt Ryan counsels clients as they navigate the complex terrain that follows a cyber attack or data breach. Recognized as one of Law360's Rising Stars under 40 in privacy and cybersecurity, Allison advises clients on regulatory investigations and complex litigation, including the multijurisdictional suits that often arise following an attack. 

Organizations that have suffered a cyber attack rely on Allison for guidance in coordinating incident response, responding to government inquiries and investigations, and strategically managing the numerous lawsuits filed after an attack. Allison advises clients on incident response issues related to forensic investigations and privilege. She guides companies through coordinated response and discovery obligations in both litigation and regulatory investigations.

Allison is passionate about pro bono; she previously served as the full-time senior associate for the firm's Pro Bono practice. She represented a class of homeless families seeking to improve homeless shelter conditions for their small children, ultimately securing full relief for her clients. Allison and her team received the Washington Legal Clinic for the Homeless "Law Firm of the Year" award for their efforts. She currently represents a wrongfully convicted man in Virginia, working to secure his freedom. In 2014, City Year DC named Allison one of its "Idealists of the Year."

Prior to joining Hogan Lovells, Allison clerked for the Honorable Gilbert Merritt of the U.S. Court of Appeals for the Sixth Circuit. Allison taught seventh-grade reading in a Title I school in Houston before law school.

Representative experience

Lead counsel in multidistrict litigation on behalf of diagnostic company related to a vendor breach affecting more than ten million people.

Litigation counsel in large health insurer cyber attack, supporting breach response, litigation strategy, coordination, and discovery.

Lead counsel in class action related to cyberattack on large online retailer, successfully seeking dismissal with prejudice of the suit.

Counsel to public companies responding to ransomware incidents, including incident response, forensic investigation, regulatory issues and communications with stakeholders like insurers and auditors.


  • J.D., Vanderbilt Law School
  • B.A., Lipscomb University, summa cum laude
Bar admissions and qualifications
  • District of Columbia
  • Tennessee


Rising Stars Under 40