Harrie Jonkman, Dr.S., Verwey-Jonker Institute, The Netherlands, has received a NIDA Distinguished International Scientist Collaboration Award (DISCA) to extend his collaboration with J. David Hawkins, Ph.D., University of Washington in Seattle. With previous support from the NIDA International Program and the Dutch Organisation for Health Research and Development (ZonMw) through the U.S.–Netherlands Binational Agreement, the two have collaborated on implementing and assessing the outcomes of the Communities That Care prevention intervention in 10 Dutch and 12 U.S. cities. During the DISCA exchange, Drs. Jonkman and Hawkins will explore three topics: (1) sharing experiences on research assessing the impact of prevention programs; (2) comparing implementation research in both countries; and (3) preparing a multinational, longitudinal research plan to investigate alcohol use and other problem behaviors in adolescents that would be modeled on a University of Washington in Seattle program with Australian researchers. Dr. Jonkman’s research proposal would translate, cognitively pretest, pilot, and develop the capacity in six European nations (Austria, Croatia, Cyprus, Germany, The Netherlands, and United Kingdom) to standardize data collection and sampling procedures and examine the effects of school, state, and national policies on drug use by youth. Dr. Jonkman also is completing a book on prevention and impact research.