Dr. Jonas X. Yuan is an expert on Liferay Portal and Content Management Systems (CMS). As an open source community contributor, he published four Liferay books from 2008 to 2010. He is also an expert on Liferay integration with Ad Server OpenX, different search engines, enterprise contents including videos, audios, images, documents, records and web contents, social media, and other technologies, such as, BPM Intalio and Business Intelligence Pentaho, LDAP, and SSO. He holds a Ph.D. in Computer Science from the University of Zurich, where he focused on Integrity Control in Federated Database Systems. He earned his M.S. and B.S. degrees from China, where he conducted research on expert systems for predicting landslides. Previously, he worked as a Project Manager and a Technical Architect in Web GIS (Geographic Information System). He is experienced in Systems Development Lifecycle (SDLC) and has deep, hands on, skills in J2EE technologies. He developed a BPEL (Business Process Execution Language) Engine called BPELPower from scratch in the NASA data center. As the chief architect, Dr. Yuan led and successfully launched several large scale Liferay/Alfresco projects for millions of users each month.

He has worked on the following books: Liferay Portal Enterprise Intranets, 2008, ISBN 13: 978-1-847192-72-1; Liferay Portal 5.2 Systems Development, 2009, ISBN 13: 978-1-847194-70-1; Liferay Portal 6 Enterprise Intranets, 2010, ISBN 13: 978-1-849510-38-7; and Liferay Portal User Interface Development, 2010, ISBN 978-1-849512-62-6.