# 3 Mark Zuckerberg, 29: $28.5 billion
Who doesn’t know Mark Zuckerberg? The richest on the list here, with a net worth of $28.5 billion, Mark is the brain behind world’s largest and most popular social media platform, we all know as Facebook.
# 2 Dustin Moskovitz, 29: $6.8 billion
Mark’s colleague and former roommate, Dustin contributed to the launching of Facebook while the two were still in college. He later dropped out form Harvard and became Facebook’s third employee. He’s worth $6.8 billion.
# 1 Perenna Kei & family, 24: $1.3 billion
Although not the richest on our list, he is the youngest billionaire, with a fortune of $1.3 billion in his mid-twenties. He owns 85% stake in Logan Property Holdings, a Hong Kong based real estate and property investment group.