Robbert Langwerden, M.S., is a Research Analyst at the Community-Based Research Institute at Robert Stempel College of Public Health & Social Work, Florida International University. Mr. Langwerden’s main scientific activities involve community-based research and research on health disparities and minority health with a specific focus on substance abuse and HIV/AIDS. In addition, Mr. Langwerden is an external Ph.D. candidate in Clinical Psychology at the Donders Institute for Brain, Cognition and Behaviour at the Radboud University Nijmegen, The Netherlands. His dissertation work focus on dimensional taxonomies and dimensional measurement of psychopathology in various populations.