Zina Bash is a Senior Partner at Keller Postman LLC, where she founded the Public Institutions practice and helps oversee the firm's mass actions. She is an experienced lawyer and policy advisor who has served and worked with public institutions at the highest levels of federal and state governments.

Before joining Keller Postman, Zina was the Senior Counsel to the Attorney General of Texas, who led one of the largest Attorney General offices in the country. In that role, she helped oversee matters on behalf of the State’s 30 million residents for harms caused by some of the most powerful defendants in the world, including opioid manufacturers and distributors, Big Tech companies, auto manufacturers, other large corporate defendants, and the federal government. As part of her duties, Zina advised the Attorney General on litigation strategy, and on whether and where to initiate affirmative litigation. She participated in matters spanning a range of subjects, including consumer protection, environmental law, and constitutional law.  In addition, Zina counseled state agencies, state officials, and municipalities on critical legal issues. And she served as the liaison between her office and both the U.S. Department of Justice and other State Attorney General offices.

Earlier in her career, Zina worked as a legal and policy advisor in the White House; as senior counsel to the Senate Judiciary Committee; and as a law clerk in the U.S. Supreme Court and the D.C. Circuit.

Since joining Keller Postman, Zina has helped lead several complex civil actions. Most recently, she was appointed Co-Lead Counsel and Government Liaison in the Camp Lejeune Water Litigation. As Government Liaison, she is charged with “serv[ing] as the point person for discussions with the government” on behalf of all plaintiffs. In particular, Zina will be leading negotiations “on issues relating to the Navy’s intake and settlement process” and the “construction of a global database” for global resolution.

In addition, Zina is helping lead an MDL on behalf of 17 States and their citizens against Google for antitrust and consumer-protection violations, and several putative class actions against Amazon for unlawfully inflating prices across online marketplaces. Zina represents the State of Texas in its privacy suit against Meta and she helped represent several public institutions in national opioids litigation.

Zina has received several awards for her work, including an award for minority women in leadership positions by Profiles in Diversity Journal. She has been named a Plaintiffs’ Attorney Trailblazer and an Elite Woman of the Plaintiffs’ Bar by The National Law Journal, and a Trailblazer in the South by The American Lawyer.

She earned an AB degree from Harvard College, a JD degree from Harvard Law School, and an MBA degree from Wharton Business School. During law school, she was a member of the Harvard Law Review and the Latin American Law Students Association.

Zina is licensed to practice law in the District of Columbia and Texas only.


"I trained at Harvard and have worked in the White House, the Senate, and the U.S. Supreme Court--I want to use everything I've learned to put power on my clients' side against those that harm them. "

Zina Bash

Education & Clerkships

  • J.D., Harvard Law School
  • M.B.A., University of Pennsylvania Wharton School
  • B.S., Harvard College
  • Clerkship: Supreme Court of the United States
  • Clerkship: U.S. Court of Appeals for the D.C. Circuit

Previous Affiliations

  • Office of the Attorney General of Texas
  • White House Domestic Policy Council
  • Office of White House Counsel
  • United States Senate
  • Gibson, Dunn & Crutcher LLP