Dr. Terry Halpin, is a Principal Scientist at LogicBlox, headquartered in Atlanta, USA, and a Professor at INTI International University, Malaysia. After many years in academia, he worked on data modeling technology at Asymetrix Corporation, InfoModelers Inc., Visio Corporation, and Microsoft Corporation, before returning to academia as Distinguished Professor at Neumont University (Utah, USA), and then once again returning to industry at LogicBlox and also taking a professorship at INTI. His research focuses on conceptual modeling and conceptual query technology. Dr. Halpin is the recipient of the DAMA International Academic Achievement Award and the IFIP Outstanding Service Award. He is a member of IFIP WG 8.1 (Design and Evaluation of Information Systems), is an editor or reviewer for several academic journals and international program committees, has co-chaired several international workshops on modeling, and has presented at dozens of international conferences in both industry and academia. For many years, his research has focused on conceptual modeling and conceptual query technology for information systems, using a business rules approach. His doctoral thesis formalized Object-Role Modeling (ORM/NIAM), and his publications include over 160 technical papers, and six books, including Information Modeling and Relational Databases, Second Edition, Elsevier/Morgan Kaufmann.Ken Evans has taught and applied ORM in English and French for 10 years. His know-how in data and process modeling and complex systems management comes from over 30 years in industry, including international jobs with IBM, EDS, Honeywell Controls, and Plessy and clients among the Fortune 500.Patrick Hallock, M.S., is the founder of InConcept, a consulting firm, and teaches object modeling throughout the United States. He has been in the industry for 30 years, focusing on database design, with an emphasis on ORM.Bill MacLean, CPA, is an independent consultant and teacher who has worked with relational databases for over 15 years, and consulted in database design for the last 9. He believes that the purpose of a data model is to turn business requirements into buildable specifications.