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Holwell Shuster & Goldberg Promotes Jayme Jonat to Partner, Names Three New Counsel


New York—Holwell Shuster & Goldberg LLP announced today that Jayme Jonat has been named a partner. HSG also has promoted Eileen Monaghan DeLucia, Zachary Kerner, and Karen Sebaski to counsel.

Jayme has represented clients in numerous high-profile antitrust and securities fraud class actions, including her defense of Visa in antitrust litigation against many of the world’s largest retailers, and her representation of the state-owned investment firm Alberta Investment Management Corporation in connection with its claims in several universal life insurance cases. She also regularly works on large-scale internal investigations. “Jayme is an absolute star,” said Richard Holwell, co-founder of the firm and former judge in the U.S. District Court for the Southern District of New York. “Her judgment, demeanor, and insights are invaluable to clients in high-stakes litigation and investigations. We are thrilled to welcome her to the partnership.”

Jayme’s active pro bono work has included the successful appeal of a felony conviction as well as a cutting-edge workplace discrimination case on behalf of pregnant and breastfeeding pilots and flight attendants. After graduating magna cum laude from Fordham University School of Law, she clerked for the Hon. Arthur Spatt of the U.S. District Court for the Eastern District of New York. She began her career in private practice at Davis Polk & Wardwell LLP.

HSG’s three new counsel all previously served as associates at the firm.

Eileen Monaghan DeLucia was named a Profiles in Diversity Journal Woman Worth Watching in 2018, one of several honors she has received for a litigation practice focused on securities- and market-related disputes. Before joining HSG, she was a litigation associate at Kasowitz Benson Torres & Friedman LLP.

Zachary Kerner has been recognized multiple times as a Rising Star by New York Metro Super Lawyers for his work in commercial litigation matters, as well as in Lanham Act and other intellectual property disputes. Before joining HSG, he clerked for the Hon. Andrew Carter of the U.S. District Court for the Southern District of New York and practiced under Floyd Abrams at Cahill Gordon & Reindel LLP.

Karen Sebaski has represented clients such as AT&T, Sharp, and T-Mobile in patent litigation, in addition to her active portfolio of commercial litigation matters. She recently moderated a panel on privacy issues for the Managing Intellectual Property Women’s Leadership Forum, and serves on the Women in IP Law Committee of the New York Intellectual Property Law Association. Before joining HSG, she was an associate with Gibson, Dunn & Crutcher LLP.

“Our three new counsel bring diverse insights to our clients, but are consistent in the exceptional quality of their lawyering,” said Holwell. “HSG places great emphasis on developing our in-house talent, and these three are strong evidence of our success in that area.” Since launching with four partners in 2012, HSG has grown to approximately 60 attorneys today. Of the firm’s 15 partners, 13 either founded the firm or advanced from within.

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