Winnie Johnson-Marquart

Daughter of Samuel Curtis Johnson (d. 2004), great-grandson of salesman who started wax company 1886. Diversified into industrial cleaning, banking and camping supplies. Kids each attended Sam's alma mater, Cornell, before joining company. Winnie: oversees family foundation. Johnson is a shareholder of SC Johnson & Son, the maker of household products for home cleaning, storage personal care and insect control. The Racine, Wisconsin-based company had revenue of $10 billion in 2016. The fifth-generation heir shares control of the business with family members, including her three siblings and their mother.