Roy, who is popularly known as the pioneer of business process outsourcing (BPO) industry, will take over from C P Gurnani, MD and chief executive officer of Tech Mahindra.
Nasscom has also appointed Wipro's chief strategy officer & member of the board Rishad Premji as the vice-chairman for 2017-18. Both the leaders will take up office from April 6.
"Raman is an industry veteran and has been the catalyst of its exponential growth in the last few decades.