Yousef Ziyadi
Biography
Yousef represents clients in high-stakes commercial disputes. His experience includes serving on Weil’s trial team representing Duke Energy in antitrust litigation involving allegations of monopolization and anticompetitive conduct relating to the electricity market in the Southeast.
Before joining Weil, Yousef served as a judicial intern to the Honorable John M. Gallagher of the U.S. District Court for the Eastern District of Pennsylvania. He also clerked at a national plaintiffs’ class action firm, where he assisted with the prosecution of class actions involving the health insurance and pharmaceutical industries. Yousef maintains a particular interest in antitrust law, and his scholarship has been published in academic journals, including an article examining the application of antitrust doctrine to medical education and physician training programs.
Yousef received his J.D., magna cum laude, from Georgetown University Law Center, where he served as an Articles Editor of the Georgetown Law Technology Review and was inducted to the Order of the Coif. He earned his A.B. from Georgetown University. Yousef is also fluent in Arabic.
Firm News & Announcements, Latest Thinking
Firm News & Announcements
- Weil Advises Yum! Brands in $2.7B Sale of Pizza Hut to LongRange Capital and Yum China Holdings Deal Brief — June 16, 2026
Latest Thinking
- What Consent Decree Trends Mean For Deal Clearances Publication — Law360 — By Kristin Sanford, Christina Swiatowy, Mia Smutny and Yousef Ziyadi — July 09, 2026
- FTC Picks a Fight with the Fix—and Loses: What GTCR/Surmodics Means for Merger Remedies Going Forward Blog Post — WorthWeil Antitrust Blog — By Mark Seidman and Yousef Ziyadi — December 03, 2025