3) Julio Mario Santo Domingo III (Age: 29; Net worth: $2.2 billion)

This New York City disk jockey is one of the four heirs to his namesake grandfather’s Colombian beer fortune. Julio Mario Santo Domingo left one-sixth of his wealth to his grandson.

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2) Bobby Murphy (Age: 25; Net worth: $1.5 billion)

Bobby Murphy and Evan Spiegel founded Snapchat. He owns around 15 percent of the photo messaging company. Around 200 million people all over the world use Snapchat.