Jim Mazzullo is a consulting scientific and technical trainer, curriculum developer, and writer. Previously, he worked as a training coordinator for PacifiCorp, a large electric utility company for which he developed, coordinated, and delivered training in SAP and other system and desktop applications. Jim began his career as a research professor and instructor of geology at Texas A&M University.
Peter Wheatley oversees SAP implementations as a customer engagement manager in the Southwest region of SAP America. In the last seven years, he has been employed by SAP America as a consultant, technical consultant manager, and technical solutions architect. He has also worked at IBM as a developer and at Compaq as an SAP developer and production planning analyst.