24. Janice Bryant Howroyd | Net Worth: $390 Million
Janice Bryant Howroyd is the businesswoman, entrepreneur, author, and mentor who started her company Act 1 Group which is an employment agency it provides consulting and business services.
She began the company in 1978 from a small office in Beverly Hills. Janice established the company with only $1500 and over the four decades, the company has become one of the largest staffing firms in the world. She attributes her wealth to tapping into a $429 global staffing market.