Business Insider named 10 healthcare leaders to its list of 100 People Transforming Business. They include a doctor using his healthcare experience to fix the industry's flaws, an insurance executive drawing on her own tough experiences with the system, and a professor who pioneered a tool that could change how we treat genetic diseases. See the full list of the 100 people transforming business here. Healthcare takes up nearly a fifth of the US economy, but it sometimes feels like we’re not getting much for all that money.