Prithwis has spent two decades in the Indian IT, software and management consultancy business and has worked in organizations like Tata Steel, Tata IBM, Pricewaterhouse Coopers (PwC), where he was a partner. He was the head of the Kolkata Delivery Centre, IBM. He was also a full time, tenured professor at the Vinod Gupta School of Management, IIT, Kharagpur.
Prithwis has pioneered RDBMS in Tata Steel, eBusiness and web based technology at PwC, 3D Virtual worlds at IBM and distance learning at VGSOM. He is listed as one of the 10 prominent analytics academicians in India by Analytics India Magazine.