Billionaires You’Ve Never Heard of #19
How a Japanese Secretary Built an HR Empire.
Yoshiko Shinohara is the billionaire founder of Persol Holdings, one of the biggest Japanese temporary staffing (interim) companies. She owns 25% of the business and at 87 years old, is the richest woman in Japan.
Yoshiko founded Persol in 1973 in her 24-meter square apartment at a time when…