In his free time, he was the vocal lead for the cover band "Tokyo Sex Pistols",[1] where his role model was Vivienne Westwood.
[2] In 1993, he launched Undercover, a high-end streetwear label for men, women and children.
[4] Japanese designer Rei Kawakubo who created the brand Comme des Garçons, became Jun's mentor and persuaded him to come to Paris.
Takahashi also creates activewear lines for men and women under the label Nike x Undercover Gyakusou, with the sportswear giant.
Radiohead singer Thom Yorke contributed the remix to one of Takahashi's fashion shows.