Warren Bulmer was a member of the Toronto Police Service for 30 years and in 2020 he retired from being a Detective Constable. Warren’s policing career has predominantly been spent within the field of criminal investigation. Since 2008, he has been an international instructor in computer- and Internet-facilitated crime, having lectured over 7,000 judges, prosecutors, and police from 39 different countries to date. Warren has taught at the United Nations in Bangkok, Thailand; the Canadian Police College; and the Ontario Police College and was a part-time faculty member at Humber College, where he instructed students in conducting online investigations and open-source intelligence techniques (OSINT). Warren has testified in court on many occasions as an expert witness in various capacities relating to digital evidence and computer forensic analysis as well as in the operation of social networks. He has also received awards for investigative excellence and holds a Police Exemplary Service Medal for his continuous public service.From February 2020 to February 2023, he worked for the Australian Federal Police in Brisbane, Queensland, as a Product Manager where he helped build technical capabilities for the Australian Centre to Counter Child Exploitation. Warren now works in the private sector as a Technical Lead at the International Centre for Missing and Exploited Children – Australia, where he continues to innovate and collaborate with industry to make the world a safer place for kids. Warren also guest lectures in the University of Queensland’s Cyber Criminology undergraduate and graduate programs. In 2025, Warren commenced his PhD candidature at the University of Adelaide | Faculty of Arts, Business, Law and Economics | Adelaide Cybercrime Laboratory | School of Social Sciences.