Oh, and his partner is Dave Duffield, who is a legend in the software business.

FORBES: Workday: Mobilizing Against SAP and Microsoft

And Workday's co-CEOs are Aneel Bhusri and Dave Duffield, who used to run software maker PeopleSoft, also bought by Oracle.

WSJ: After Facebook, the Next Wave of Tech IPOs

Dave Duffield is a serial entrepreneur and the creator of PeopleSoft, a successful business-software firm swallowed by Oracle in 2004 after a hostile bid.

ECONOMIST: Business computing

Workday (plans to go public this year), founded by Peoplesoft alums Dave Duffield and Aneel Bhusri, have now put the entire suite of HR and Financials applications into the cloud.

FORBES: The Sleepy Little HR Software Market Is On Fire

Dave (Duffield) and Aneel (Bhusri) (cofounders of Workday) said: server technology has changed a lot.

FORBES: Workday Investor Scott Sandell On What's Next In The Cloud