Parabellum Capital Promotes Yvonne Lee and William Weisman to Managing Directors

NEW YORK--(BUSINESS WIRE)--Parabellum Capital (“Parabellum”), a leading provider of commercial litigation funding, today announced the promotions of Yvonne Lee and William Weisman to Managing Directors, effective September 15, 2026.

Ms. Lee and Mr. Weisman will continue to grow Parabellum’s investment strategies in their respective areas of focus: intellectual property for Ms. Lee and commercial litigation for Mr. Weisman. The promotions recognize their significant contributions to Parabellum’s growth and their track records of sourcing, structuring, and managing high-quality litigation finance investments.

“Will and Yvonne have each played an instrumental role in strengthening Parabellum’s investment platform, and their promotions to Managing Director reflect the depth of expertise, judgment, and leadership they bring to our team,” said Aaron Katz, co-founder and CIO of Parabellum Capital.

“We are fortunate to have Will and Yvonne’s leadership as we continue to grow our commercial litigation and intellectual property investment strategies,” said Howard Shams, co-founder and CEO of Parabellum Capital.

About Yvonne Lee

Yvonne Lee is responsible for developing and implementing Parabellum’s intellectual property investment strategy. Her work includes sourcing, structuring, and managing both claimant and law firm litigation finance investments, as well as direct and indirect patent acquisition investments. Yvonne is a ranked IP litigation funding leader by Chambers. She is also listed in the IAM Strategy 300.

Before joining Parabellum, Yvonne was counsel at WilmerHale, focusing primarily on IP litigation and IP counseling. She has represented Fortune 100 companies in proceedings at the ITC, district court, PTAB, and Federal Circuit, and has also worked with both established and emerging companies to develop patent portfolios.

Yvonne received her J.D. from the University of California, Berkeley, School of Law, a B.S. in Electrical Engineering and a B.A. in Music from the University of California, San Diego, and an M.M. and a G.D. in Piano Performance from the New England Conservatory of Music.

About William Weisman

Will Weisman is responsible for developing and implementing Parabellum’s commercial litigation investment strategy. Leveraging his extensive experience in the litigation finance sector, Will leads Parabellum’s commercial litigation investment activity across a diverse range of investment structures and transaction types, overseeing all facets of the investment lifecycle from origination and structuring through closing and active investment management. Will is recognized as a “Thought Leader in Third-Party Funding” by Who’s Who Legal and he writes and speaks frequently on litigation finance, regulatory developments, and issues germane to the business of law. Prior to joining Parabellum, Will was a senior member of the investment team at a prominent commercial litigation funder.

Will began his legal career as a commercial litigator at Proskauer Rose LLP, where he worked in the firm’s financial services practice group, and represented global financial institutions in complex litigation matters, including at trial. He later joined Liberty International Underwriters, where he worked in the insurer’s directors & officers insurance business.

Will earned his B.A., with honors, from the University of Maryland, and his J.D., cum laude, from Brooklyn Law School, where he was an editor of the Brooklyn Law Review. Will also served as a law clerk extern for Chief Judge Edward R. Korman of the United States District Court for the Eastern District of New York.

About Parabellum Capital

Founded in 2012, Parabellum Capital is a commercial litigation funding firm with offices in New York and Boston. Parabellum provides capital to claimholders and their counsel in complex, high-stakes commercial disputes, drawing on more than a decade of experience empowering claimholders and elite counsel to prevail in their matters. For more information, visit www.parabellumcap.com.