Partner Biographies


Bob Horne

Joined ZS in 1992. Previously, he was a Vice President at Salomon Brothers in their mergers and acquisitions department and at Smith Barney in their corporate finance department. Bob earned his B.A. with honors from Harvard College, where he was captain of the tennis team, and his M.B.A. from the Stanford Graduate School of Business. E-Mail:

Ned Sherwood

Founded ZS in 1985. Previously, he was a principal at AEA Investors, a private equity firm, a Vice President of W.R. Grace & Co. where he worked on divestitures, and Assistant to the President of Hazeltine Corporation. Ned graduated magna cum laude from the Wharton School at the University of Pennsylvania where he received the Herbert T. Steuer Memorial Award for the Most Outstanding Wharton Student. E-Mail:

Nick Burger

Joined ZS in 2000. Previously, he worked in the investment banking division of Merrill Lynch & Co. and for MLC Funds Management in Australia. Nick received his B.A. from Yale College. E-Mail:

Shahzad Pirvani

Joined ZS in 2019. Previously, he was a member of the private equity investment teams at Battery Ventures, Blackford Capital and Arctaris Impact Investors. Shahzad started his career in the investment banking division at Robert W. Baird & Co. He graduated Summa Cum Laude, earning his B.B.A. between University of Warwick (U.K.) and University of Georgia. E-Mail: