David Allen has been working in the computer field for over two decades. He has worked with international banks (Schwab, Credit Suisse, JPMorgan), technology companies, and government organizations. David is an expert in security, messaging, enterprise directories, and global-scale mission-critical systems architecture and deployment. David has been an Open Source advocate and speaker for several years. He has personally migrated over 25,000 users from Windows to Linux.
D.N. Perkins is Director of Harvard Project Zero, Senior Research Associate, and Lecturer On Education, Harvard Graduate School of Education.