One of the founders of Jennison in 1969, Spiros “Sig” Segalas has built the firm into an institutional investment manager with a range of equity and fixed income investment strategies and assets under management of more than $180 billion. He has managed Jennison client portfolios over the past half century. Sig began his investment career at Bankers Trust as a research analyst, before managing client assets. Prior to Bankers Trust, he worked in the shipping and construction industries and served as an officer in the US Navy. Sig received a BA in economics from Princeton University.