Björn Sighsten Herrgård was a Finnish-born Swedish fashion designer and major trendsetter in Stockholm.

His career took off in 1966 when he won the Courtauld International Design Competition with a collection of unisex clothing.

In the 1970s Herrgård established internationally in Paris and North America; he also started a company in Stockholm and worked with television, magazines and shows.

[citation needed] On 29 July 1987, Herrgård held a press conference, stating that "I'm going to die.

His partner Roar Klingenberg (22 November 1941 – 21 September 1984), the first AIDS patient diagnosed in Sweden, had died 3 years earlier.