American dermatologist and entrepreneur Kathy Fields has an estimated net worth of $320 million. She attended and earned her degree from Stanford University School of Medicine. Fields is widely recognized as the co-founder of skin care company ProActivSolutions along with fellow dermatologist Katie Rodan, whom she met during a summer job at a cardiovascular research lab in Los Angeles. In 2003 they sold the Rodan + Fields to Estee Lauder; however, they bought it back four years later.ProActiv took their products out of stores and began to sell directly to consumers and in 2014 the company generated over $300 million in sales.
Fields also serves as an assistant dermatology professor at the University of California, San Francisco and has a private practice. Besides, Fields and Rodan are the co-authors of two books and have appeared on numerous television shows. In 2015 Fields was ranked #42 on the inaugural Forbes list of America’s Richest Self-Made Women.