I`m a Web Application Developer, Information and Business Process Analyst, and Business Intelligence Guy. I`m @rolandbouman on Twitter, and I maintain a blog at . I have worked for MySQL AB (during which time I co-authored the MySQL Cluster 5.1 Certification Study Guide), Sun Microsystems, and I currently work as Sofware engineer for Pentaho. I (co-)authored two books: Pentaho Solutions (Wiley, ISBN: 978-0-470-48432-6, 630+ pages) and Pentaho Kettle Solutions (Wiley, ISBN: 978-0-470-63517-9, 720+ pages), and I`m a regular speaker on MySQL, Pentaho, and open source business intelligence. ©