In the male-dominated corporate world, these brilliant women have proved their mettle and made a big difference.
However, no investment details were divulged by the USD 37 billion firm.
Current executives Mark Hurd and Safra Catz will provide at least temporary stability by sharing the CEO role.
On Nooyi, who is now in her 10th year as CEO, Fortune said, she "shows no signs of slowing down"
Premji is ranked 13th on Forbes' first ever list of '100 Richest People In Tech', followed by Nadar on the 14th spot.
The US president-elect met Silicon Valley's most powerful executives -- CEO of Microsoft Satya Nadella, Jeff Bezos of Amazon, Tim Cook of Apple, Elon Musk from Tesla, Larry Page and Eric Schmidt of Alphabet -- parent company of Google among others.
PepsiCo's India-born CEO Indra Nooyi has been ranked third most powerful businesswoman by Fortune, the only Indian-origin woman on the 2014 list topped by IBM Chairman and CEO Ginni Rometty and General Motors CEO Mary Barra.
Ellison and the two new co-CEOs each stressed that nothing would change under the new management structure, with Ellison staying on as executive chairman and chief technology officer.