Alan Mark Berg Bsc. MSc. PGCE, is the Sakai Foundations Quality Assurance Director for two major software releases (Sakai 2.7, 2.. For the last twelve years Alan has also been the lead developer at the Central Computer Services at the University of Amsterdam. In his famously scarce spare time, he writes computer articles. Alan has a degree, two masters, and a teaching qualification. In previous incarnations, he was a technical writer, an Internet/Linux course writer ok a product line development officer, and a teacher. He likes to get his hands dirty with the building and gluing of systems. He remains agile by ruining various development environments with his proof of concepts that are better left in the darker shadows never to escape. Michael Korcuska is the Executive Director of the Sakai foundation and has nearly 20 years of experience in technology-enabled education and training. Prior to joining Sakai, Michael served as Chief Operating Officer for ELT, Inc., a leading compliance-training provider. He has also held leadership positions at DigitalThink (now Convergys Learning Solutions) and Cognitive Arts, an award winning custom e-learning developer. Michael got his start in technology-based learning at Stanford University's Courseware Authoring Tools Lab and Apple Computer's Multimedia Lab in the late 1980s. He holds an M.S. in Computer Science from Northwestern University (where he studied and worked at the Institute for the Learning Sciences) and B.S. in Symbolic Systems from Stanford University. He usually lives in Berkeley, California, with his wife and two children although his writing for this book was done during a year living in Paris, France.