Sumit Kumar Dhuper is a senior systems specialist with over 10 years of experience managing, configuring, and troubleshooting Exchange servers. He is MCITP certified with extensive experience administering messaging infrastructure for organizations of all sizes. Currently he works as a Unified Communications Engineer for WS ATKINS India, where he is responsible for a large Exchange environment with over 27,000 users and 400,000 public folders. He seeks to utilize his strong technical skills and experience supporting Exchange, Lync, Enterprise Vault, and other collaboration solutions.