Nina Tandon is the founder and CEO of EpiBone, a company that uses stem cells to grow human bone.
But that doesn't mean they aren't making some of the most important and inspiring contributions out there.
We've highlighted 15 female scientists who are doing amazing things, pulled from our recent list of groundbreaking scientists who are changing the way we see the world.
From a woman who developed a revolutionary blood test that will transform the way we measure our health to an astrophysicist who's trying to find another Earth, here are the most amazing women in science today.