Annie Lamont has spent the last three decades as a venture capitalist backing some of the biggest names in healthcare. Lamont's the co-founder of Oak HC/FT, a venture firm that has $1.1 billion under management. She shared her biggest piece of advice for investors: "Have something you know better than anybody else." Lamont is one of Business Insider's 10 People Transforming Healthcare. You can read the whole list here. When Annie Lamont started her career as a venture capitalist, she was interested in making investments in tech companies.