Dirk ManuelDirk Manuel is a freelance training and documentation consultant, who has spent the past 20 years specializing in the development of training materials for large-scale ERP projects. He has been using UPK (and its predecessor, OnDemand) for five years and has developed several hundred high-quality training simulations using UPK. Dirk has taught UPK and OnDemand to training developers in England, the United States, Japan, and Guatemala, both for his own clients and for other consulting companies. Dirk is also a proofreader for Packt Publishing, having proofread over 25 books to date. Read More Read Less