Subrata Guha is Director – IT Services, DQS Inc. based out of USA. He has over 22 years of professional experience in the fields of IT Service Management, Software Engineering, Audit/Assessment of Quality Management Systems, and Research and Development of Quality Models. He was instrumental in building Quality consulting practice at Satyam Computer Services. Mr. Guha is a lead auditor of ISO 9001, ISO 20000 and ISO 27001. He is an SEI authorized instructor of CMMI 2.0 and is also a Carnegie Mellon University authorized Lead Evaluator, instructor and consultant for the eSCM-SP model. He tryst with Quality and Systems started way back in mid-80’s, at STQC division of Ministry of Information Technology, Govt. of India.