John A. Miller is a Professor of Computer Science at the University of Georgia. He has been the Associate Head for 6 years and has been Graduate Coordinator for 13 years. His research interests include (i) Modeling & Simulation, (ii) Web Services/Workflow, (iii) Database Systems, (iv) Data Science/Big Data, and (v) Bioinformatics. Dr. Miller received a B.S. in Applied Mathematics from Northwestern University in 1980 and an M.S. and Ph.D. in Information and Computer Science from the Georgia Institute of Technology in 1982 and 1986, respectively. As part of his co-operative undergraduate education program, he worked as a Software Developer at the Princeton Plasma Physics Laboratory. In his areas of interest, Dr. Miller has authored of over 200 research papers. He is an Associate Editor for the ACM Transactions on Modeling and Computer Simulation, SIMULATION: Transactions of the Society for Modeling and Simulation International, and previously IEEE Transactions on Systems, Man and Cybernetics, as well as an Editorial Board Member for the Journal of Simulation and International Journal of Simulation and Process Modelling. He has also served as General/Program Chair for four international research conferences: ANSS, WSC, ICWS and SCC, as well as one regional research conference ACM-SE.