Dr. Yuan is an expert on Liferay Portal and Content Management Systems (CMS). As an open source community contributor, he had published three Liferay books from 2008 to 2010. He is also an expert on Liferay integration with Ad Server OpenX, different search engines, enterprise content types including videos, audios, images, documents, and web contents, 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 SystemsDevelopment 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 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. Xinsheng Chen is an architect at Cignex Technologies, Inc. He holds a Master of Science degree in Computer Science from California State University, San Bernardino. His focus was on online banking applications. He also has a bachelor's degree from Wuhan University, China. Xinsheng was a QA engineer at VMware, Inc. He later led a team in developing four educational computer games for the Escambia County School District, Florida. He has worked on Geographical Information Systems (GIS). Xinsheng has rich experience in J2EE technologies. He has extensive experience in content management systems (CMS) including Alfreso. He is an expert in Web Portal technologies. Xinsheng has hands-on experience in eight Liferay Portal projects. Frank has 10 years of extensive experience in Vignette-based and Liferay-based portal design, development, architecture, and project management, particularly in healthcare portal application development. As a project lead and senior Liferay architect, he provides portal design and architecture consulting services and manages multiple onshore and offshore teams to build portal and CMS applications for his clients. His team leadership and hand-on experience in areas such as portlets, portal themes and skins, the customization of portal frameworks, CMS, architecture, and performance tuning have been proven to be very valuable for his clients. He also has deep knowledge in system integration with multiple legacy systems, all major RDBMS and J2EE application servers. Previously, he worked on different portal products or applications at InterComponentWare, Pay By Touch, and McKesson, a Fortune-14 healthcare company. He holds an M.S. degree in Computer & Information Sciences and was a Ph.D. candidate in cancer research. He received his B.S. degree from Nanjing University, China.
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