Power 50: Martine Rothblatt

The founder of Sirius radio is an attorney who specialized in space law, a futurist and roboticist, and the highest-paid woman CEO in the country, earning $38 million in 2013 from United Therapeutics, the company she started (while transitioning) to save her daughter from a rare fatal arterial disease. She and her wife, Bina, established Terasem, an organization that seeks immortality through technology.