636e7ce4f5877200181c7c09After creating the satellite-radio industry and developing a drug for her daughter's serious disease, Martine Rothblatt is leading her biotech to test another boundary of what's possible.

The 68-year-old entrepreneur's newest mission is to create an endless supply of organs. Her company, the $12 billion Maryland-based biotech United Therapeutics, has already put gene-edited pig hearts, lungs, and kidneys into humans in clinical studies. Rothblatt now hopes to start making organs with 3D printing to solve the organ-supply crisis, with over 100,000 Americans on waiting lists for transplants.

Image: Martine Rothblatt, CEO of United Therapeutics, previously founded the satellite-radio pioneer SiriusXM. Elijah Nouvelage/REUTERS