Tsuyoshi Matsushita

Matsushita is the founder of MTG, which develops and sells fitness, health and beauty products and outsources its production.

The company, in which Matsushita has a 70% stake, listed its shares on the Tokyo Stock Exchange in July 2018.

Soccer phenom Cristiano Ronaldo starred in TV ads for MTG's Sixpad electrical-stimulation muscle machine.

His company developed a line of cosmetics called MDNA Skin with singer Madonna.

Mastushita worked for autoparts giant Denso after high school and started MTG in 1996.