15. Shiv Nadar
Net worth: $14.8 billion
Shiv Nadar is the co-founder and chairman of HCL Technologies, an Indian global IT services company. Today HCL earns over $6.5 billion in annual revenue. The 69-year-old Nadar co-founded the company in the mid-1970s after graduating from PSG College of Technology in 1957. His daughter, Roshni, is the CEO of HCL today. Recently he denied reports he was selling the company because his daughter wants to keep the business.
Nadar has expanded HCL into health care, and has partnered with John Hopkins Medicine International to build a chain of clinics. Forbes ranks Nadar as the 66th richest person in the world.