Worth: 1.6 billion
Source: Technology/self-made
Age: 41
Background Info: Chicago investor is cofounder and 30% owner of Groupon, which provides its many customers with exclusive deals to be found across the country. Lefkofsky met the founder of Groupon, Andrew Mason at InnerWorkings, a firm where Mason worked after college. Lefkofsky was a founder of the the firm itself.
What a Groupon Deal: $12,500 IT Consulting Discount
Groupon 2.0: More Deals and a Personalized Feed