DR. MARK TOTTEN's research focuses on gangs, sexual exploitation andtrafficking, crime prevention, mental health, child maltreatment and familyviolence, bullying and harassment, corrections and policing, and gender identity.He has worked on eight major studies in this area during the past fifteen years,in research funded by public agencies like the Department of Justice Canadaand the National Crime Prevention Centre. Many of his projects involvepartnerships with Aboriginal and ethno-racial communities.

In 2011-2012, he is collaborating with groups in Ontario and WesternCanada in the development and evaluation of multi-year gang prevention,intervention, and suppression strategies.

Mark Totten is past Director of Research at the Youth Services Bureau ofOttawa (1987-2007) and has worked with high-risk children, youth, adults,and families for over thirty years. A well-known expert witness for both Crownand Defence Counsel on gangs and criminal subculture, he has written manybooks, academic articles, and government reports, including Guys, Gangs andGirlfriend Abuse (2000), When Children Kill: A Social-Psychological Studyon Youth Homicide (2002), and Promising Practices for Addressing YouthInvolvement in Gangs (2008).