Businesswoman
Judy Faulkner founded fast-growing electronic health record software company Epic Systems in 1979. The company pulled in $1.5 billion revenues in 2012. She owns an estimated 33% stake of the private company and is one of just a handful of self-made women billionaires. More than 40% of the U.S. population will have its medical information stored in an Epic digital medical record by 2013.