Annie Lamont has spent the last three decades as a venture capitalist backing some of the biggest names in healthcare. But not all of her investments have panned out. One investment misstep she made in the 90s, investing in a roll-up of doctor's practices that flamed out, has helped guide the investments she makes today. Lamont is one of Business Insider's 10 People Disrupting Healthcare. You can see the whole list here. Looking back, Annie Lamont is glad she did it.