Spiros "Sig" Segalas is one of the founders of Jennison Associates. In addition to managing institutional portfolios, he has managed the Harbor Capital Appreciation Fund since May 1990. He is also co-manager of the Prudential Jennison Blend Fund, Prudential Jennison Growth Fund, Prudential Jennison 20/20 Focus Fund, and the Prudential Jennison Select Growth Fund. Sig and his Large Cap Growth team have received numerous industry accolades over the years. Sig began his investment career as a research analyst with Bankers Trust Company in 1960 and was responsible for technology, aerospace, and conglomerate securities. In 1963, he was appointed group head of the technology group; in 1967, he was asked to manage a newly introduced commingled emerging growth fund, The Supplemental Equity Fund, for the bank's institutional clients. He was also appointed to the bank's investment policy group. Sig received a BA from Princeton University, after which he served as an officer in the US Navy. He also spent some time in the shipping and construction industries before joining Bankers Trust.

Kathleen A. McCarragher is a managing director, the head of growth equity, and a large cap growth equity portfolio manager. She joined Jennison Associates in May 1998. Prior to Jennison, Kathleen spent six years with Weiss, Peck & Greer, where she was a managing director and the director of large cap growth equities. In addition, Kathleen spent 10 years with State Street Research & Management, initially as a research analyst responsible for health care, transports, and financials and then as a portfolio manager and member of the investment committee. She received a BBA from the University of Wisconsin-Eau Claire, summa cum laude, and an MBA from Harvard Business School. Ms. McCarragher began her investment career in 1982.

Rebecca Irwin, Managing Director Rebecca is a large cap growth equity portfolio manager and research analyst. She joined Jennison in 2006. Previously, she worked as a health care analyst at Viking Global Investors. In the decade before Viking, she was with UBS and Salomon Smith Barney. Before that, she was a corporate associate at Fried, Frank, Harris, Shriver & Jacobson. Rebecca received a BA in economics from Queen’s University at Kingston, an LLB from the University of Toronto, and an LLM from Harvard Law School.

Natasha Kuhlkin, CFA, is a managing director and a large cap growth equity portfolio manager and research analyst. She joined Jennison Associates in May 2004. Prior to Jennison, Natasha was an equity research analyst at Palisade Capital Management, covering the consumer staples and cyclicals sectors. From 1998 to 2003, Natasha was with Evergreen Investment Management, where she was an analyst for the Evergreen Small Cap Value Fund. She received a BS, magna cum laude, in accounting from Binghamton University.