Leff, 16-Year Warburg Veteran, Splits for Deerfield: CORRECTED

Jonathan Leff is leaving Warburg Pincus at the end of the year, two sources say.

Leff, a Warburg MD, is joining Deerfield, the parent firm, Institute as a partner and will be chairman of the Deerfield Institute effective Jan. 1, a person says.

Deerfield, which has offices in New York, China and Switzerland, is a healthcare investor that manages funds in excess of $3.5 billion. Deerfield aims to establish itself as a “preeminent provider” of financing solutions to “innovative healthcare companies” at all “phases of development, from early to late-stage, public and private,” according to an email announcing Leff’s departure, which was obtained by peHUB.

A Deerfield official confirmed Leff would be joining the firm Jan. 1.

Leff joined Warburg in 1996 and leads the firm’s investments in pharmaceuticals and biotechnology, according to the PE firm’s web site. He currently serves on the executive committee of the National Venture Capital Association’s board and leads the NVCA’s life sciences industry efforts, the email says.

“As I look forward to joining my new Deerfield colleagues, I leave Warburg Pincus after more than 16 fantastic years with the firm,” Leff says in the email. “Warburg Pincus is not only a highly successful private equity firm, but also a class act every step of the way. I have been privileged to be a part of it.”

Officials for Warburg couldn’t be reached for comment.

CORRECTION: A prior version of this story incorrectly said Leff would be joining the Deerfield Institute as a partner and chairman. He will be joining Deerfield, the parent firm, as a partner, and will be chairman of the Deerfield Institute. 

Photo courtesy of Shutterstock

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