Fusao Sekiguchi

Fusao Sekiguchi (関口房朗) (born December 20, 1935 in Amagasaki, Hyogo, Japan) is a businessman and Thoroughbred horse racing enthusiast. He is the Chairman of the Board and majority shareholder of Venture Safe Net, Inc (VSN, Inc) of Tokyo.

The owner of a number of racehorses, the most notable of which was 2000 Kentucky Derby winner Fusaichi Pegasus whom he sold for a reported US$64 million to Ireland's Coolmore Stud.