Gary Nolan is a Platinum BW Consultant, and has worked with BW since version 1.2B. He is also a technical editor and a regular author for the BW Expert and SCM Expert newsletters. A frequent speaker at numerous Sapphire, ASUG, and BW Portals Conferences, Gary has consulted at more than 40 BW client sites and has worked with them from the planning phase through post-implementation support.

Debasish Khaitan is an experienced BI/BW consultant currently working for Capgemini. He has more than four years of experience working in SAP BW design and development. He received the SAP BW 3.5 certification and has played an integral role in several SAP BW end-to-end implementation projects. He is an SAP BW trainer and has conducted several training sessions. He hosts a personal blog site: (www.saphelp.dkhaitan.com) which focuses on SAP BW related articles.