The 2023 NGCRC 26th International Gang Specialist

Training Conference (July 31 - August 2, 2023):

A Look at the Presenters

 

Last Updated: August 8, 2022




D. Lee Gilbertson, Ph.D.

            D. Lee Gilbertson is a tenured professor at a state university in Minnesota and has been teaching since August 2000. He has studied gangs, militias, and extremist groups since 1995. He actively consults in the US and the UK with attorneys, law enforcement investigators, and medical examiners in the areas of forensic victimology and postmortem assessment, as well as crime analysis and mapping. Lee has presented at numerous national and international conferences and has participated in all of the NGCRC Gang Colleges. He is a recipient of the Frederic Milton Thrasher Award (2002, 2005, 2008) and the Curtis Robinson Leadership Award (2015). Lee is the Executive Editor for the Journal of Gang Research and is a member of the NGCRC Staff. His background includes a Ph.D. in sociology, MS in criminal justice, and 16 years of exemplary military service (infantry and signals intelligence).


George W. Knox, Ph.D.

            George Knox earned his Ph.D. in sociology from the University of Chicago. He has extensive field experience with gangs, including interviewing gang members, gang leaders, and gang victims. He has taught in the field of criminal justice and sociology. He serves as the Executive Director of the National Gang Crime Research Center. He was the author of the first full textbook on gangs (An Introduction to Gangs) and other books and monographs on gang topics. His research interests include how to deal with gang problems in probation/parole, juvenile corrections, adult corrections, and gang threat analysis — examining the gang as a unit of social organization.


Douglas L. Semark, Ph.D.

            Douglas L. Semark, Ph.D.is a nonprofit leader with four decades of experience, including 17 years as Executive Director of the Gang Alternatives Program (GAP) in Los Angeles. Semi-retired, he now serves as Executive to the Board and Chief Learning Officer. He provides gang and violence prevention professional development for K-12 school counselors; serves in various advisory capacities; works with various agencies in the areas of violence reduction and community rebuilding, including Violence Prevention Coalition of Greater Los Angeles and the UCLA/Rand Prevention Research Center. He is currently the Director of the Gangfree Life Academy®.