B. Robert Williamson, portfolio manager at Chilton Investment Co., was found dead in his car Sunday in North Carolina. He was 55.

Williamson is the nephew of Julian Robertson, who founded one of the country's first hedge funds, Tiger Management Corp.

When B. Robert Williamson did not return from a Saturday night party on an island in his native North Carolina, he was reported missing, New Hanover County Sheriff Deputy Jason Augst told Reuters.

Foul play is not suspected in B. Robert Williamson's death. His car containing his body was found during a search that involved a helicopter and a dive team, Reuters reported.

Chilton, a Stamford, Conn.-based hedge fund with offices in Manhattan, London, Hong Kong and China, released the following statement on B. Robert Williamson's death:

Chilton Investment Company mourns the sudden and tragic passing of our friend and colleague, B. Robert Williamson, Jr.   Robert joined Chilton in January 2011 as a portfolio manager of one of our investment strategies, Chilton U.S. Hedged Equities.  Before coming to Chilton, he co-founded the investment firm Williamson McAree. Over the years, Robert's funds have delivered robust returns for his investors.

Robert was a dear friend, and he will be missed; His curiosity, enthusiasm, intellect, and passion for stock picking were gifts he shared with all who knew him. We extend our heartfelt condolences to his family at this extremely sad time.

Richard L. Chilton, Jr., Chilton Investment Company's Chief Executive Officer and Chief Investment Officer will oversee the Chilton U.S. Hedged Equities fund. Additional information will be provided to the fund's investors shortly.

B. Robert Williamson joined Chilton from Williamson McAree Investment Partners LLC, where he was a founding partner and worked from 2000 to 2010, according to his bio on Chilton's website.

Williamson McAree announced they were closing the firm due to poor performance, according to an efinancialnews.com story at the time.

Before founding his own firm, B. Robert Williamson was managing director at Tiger Management.

He graduated from the University of North Carolina, where he received a bachelor's in business administration. Williamson followed that up with an M.B.A. from Wake Forest University's Babcock Graduate School of Management.