|Alma mater||Harvard Business School, 1978|
|Occupation||Ex CEO of Cognizant|
Wijeyaraj Kumar Mahadeva (Tamil: குமார் மகாதேவா) is the Sri Lankan American founder, and original chairman and chief executive officer of, Cognizant Technology Solutions. He was the CEO of Cognizant from 1994 to 2003 and was succeeded by Lakshmi Narayanan. Kumar has held senior positions at the BBC, McKinsey, AT&T, and Dun & Bradstreet. He is a member of the Sri Lankan Tamil Ponnambalam-Coomaraswamy family; the son of Deshamanya Baku Mahadeva, an eminent Sri Lankan civil servant who served as chairman of various banks, companies, commissions and boards.
- "Cognizant Founder Kumar Mahadeva Named Operating Partner At New York PE Firm GRS Partners". VCCIRCLE. 2006-02-17. Retrieved 2009-02-19.
- Sood, Varun (2018-09-13). "Cognizant may replace CEO Francisco D'Souza with an outsider". Mint. Retrieved 2018-09-13.
- "Kumar Mahadeva". HarvardBusinessSchool. September 2003. Retrieved 2009-02-18.
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