He is the Editor-in-Chief of the Journal of Database Management, North America Regional Editor of the Requirements Engineering journal, and Co-Editor-in-Chief of the Advances in Database Research series.  He received his Ph.D. degree from the University of British Columbia (UBC).  His master’s and bachelor’s degrees are in Computer and Information Sciences from the National University of Singapore. 

Professor Siau has over 250 academic publications.  According to ISI Web of Science and Google Scholar, he has over 1300 and 2800 citation counts respectively.  In 2006, he was ranked as one of the top ten e-commerce researchers in the world (Arithmetic Rank of 7, Geometric Rank of 3) in the study by Kim, S., Aiken, M., and Vanjani, M. “Profiles in Electronic Commerce,” Business Research Yearbook, Adams, M. and Alkhafaji, A. eds. (2006), Vol. 13, 464-469.  In the same year, the citation count for his paper “Building Customer Trust in Mobile Commerce’ is ranked in the top 1% within its field as reported by Essential Science Indicators.  In December 2010, he was ranked as one of the top researchers in his field based on h-index, which aims to measure simultaneously the quality and sustainability of scientific output.  Keng has a h-index of 27 according to the report (i.e., The h Index for Management Information Systems by Hsinchun Chen, University of Arizona, and Paul J. Hu, University of Utah). 

He served as the Organizing and Program Chairs of the International Conference on Evaluation of Modeling Methods in Systems Analysis and Design (EMMSAD) (1996 – 2005).  He also served on the Organizing Committees of AMCIS 2005, ER 2006, AMCIS 2007, EuroSIGSAND 2007, EuroSIGSAND 2008, and ICMB 2009.  He received the prestigious International Federation for Information Processing (IFIP) Outstanding Service Award in 2006, and the IBM Faculty Awards in 2006, 2008, and 2010.