Yoshiko Shinohara was bornon 1934 in Japan. Yoshiko Shinohara became Japan's first self-made female billionaire in early 2017.
She founded Temp Holdings, a temporary staffing company, in 1973 after a stint as a secretary.
Shinohara, who owns a 25% stake in the firm, retired from her longtime position as chairman in April 2016.
The company had $4.5 billion in revenues in 2016.
Yoshiko Shinohara is a member of Service