Sivakumar Chockalingam is a Manager - Service Delivery at Cognizant. Colleagues describe them as "Siva is very talented person. With his immense experience he has done excellent job in his profile of work. Wish him the best of luck to achieve more in his career." and "Sivakumar is a very focused person who can be trusted to produce high quality work on time and in budget. Siva works well in individual or team environments."