Forbes 400: America's Top 15 Richest Techies


15. David Duffield

Seventy-two year old David Duffield is co-founder and former chairman of PeopleSoft. He is also co-founder of Workday along with serving as co-CEO of the company. Duffield saw his personal wealth shoot up nearly three-fold over the past year thanks largely to Workday's IPO in October 2012.

Forbes 400 Ranking: 65

Net Worth: $6.4 billion

 



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