Dr. Jos Aarts is a Senior Research Scientist in the Institute of Health Policy and Management (iBMG) at Erasmus University. He is also an adjunct assistant professor in the University of Victoria and visiting research fellow at the University of Pennsylvania. For more than 10 years he has investigated the effects that computerized provider order entry (CPOE) systems had on health professionals. Especially he studied the implementation of CPOE in large academic centers and developed theoretical frameworks to understand such processes. Dr. Aarts conducted studies both in Europe and the United States.