3. Jonathan Zabusky, Matt Maloney, Mike Evans

President, CEO, former COO, GrubHub Seamless

Last year, Jonathan Zabusky was responsible for helping merge food-delivery services GrubHub and Seamless, and he took over the operation as its president.

The company, now known as GrubHub, went public in April at a $2.7 billion valuation; it is profitable and still growing. Matt Maloney is CEO of the combined entity. Mike Evans, Grubhub's chief operating officer, announced he would leave the company when it filed for its IPO.