What Can We Learn from One of Our Field’s Founders? Feature Image

What Can We Learn from One of Our Field’s Founders?

Tagged as:   Clinical Practice
Recorded On:   December 23, 2023
Duration:  1 Hour
Audience:

This webinar is for professionals and experts in the field of assessing and treating individuals convicted of sexual crimes. This may encompass mental health professionals, law enforcement personnel, administrators, attorneys, and individuals involved in the legal system.

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William L. (Bill) Marshall’s influence on assessing and treating people convicted of sexual crimes is present in virtually every treatment program in the world.

In this webinar, David Prescott interviews Bill and Liam Marshall, Bill’s son and long-time colleague, about Bill’s life and career.

Bill saw his first sexually offending client in November 1968. He retired from clinical work in 2017 but continued to write/edit papers until last year, so this is a unique opportunity to hear about what really works and why our field has evolved in the directions it has.

Bill’s work has shed light on understanding and assessing abuse-related sexual interests, how and why treatment can work, the characteristics of effective therapists, and the importance of strengths-based treatment approaches. Those who studied with Bill quickly found that he personified the values and principles of the most effective scientist-practitioners.

Who's Presenting


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William L. Marshall

William L. Marshall has served in many roles, most recently as Director of Rockwood Psychological Services, which provided treatment and research for various types of offenders, including sexual offenders. Rockwood provided these services from 1971 until 2013 in an outpatient clinic and in several Canadian Federal penitentiaries as well as in a center for mentally disordered offenders. These programs addressed adult and juvenile sex offenders in various prison and community settings. Rockwood also provided therapist trainings in many countries. Bill has 424 publications including 18 books, one of which won the Society for Sex Therapy and Research’s “Book of the Year” award. Bill has been on the Editorial Boards of 17 international journals and was in 2003 elected a Fellow of the Royal Society of Canada for his contributions to science. In 2006, Bill was appointed an Officer of the Order of Canada in recognition of his contributions to making society safer both nationally and internationally. This is the highest honor a Canadian citizen can receive.

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Liam Marshall, PhD

Liam has an extensive background encompassing over 20 years as a therapist and consultant in many correctional and mental health facilities. In 2013, Liam joined Waypoint as a researcher in the Research and Academics Division, along with being a clinician in the Provincial Forensic Programs Division (high-secure division). He has conducted research, provided treatment, training, and consulting on offender and offenders with mental health problems for over two decades at several institutions and facilities. He has over 100 peer-reviewed publications, including four books, including, most recently, The Wiley-Blackwell handbook on the assessment, treatment, and theories of sexual offending. Volume: Treatment (John Wiley & Sons), co-edited with Dr. W. L. Marshall. He is a board member and reviewer for many international journals, including Sexual Addiction and Compulsivity: The Journal of Treatment and Prevention. He has made numerous international conference presentations on offender and mental health issues regarding sexual behaviours, as well as on anger disorders, domestic violence, and problem gambling. Liam has delivered trainings in over 20 countries for therapists and other staff who work with sexual, violent, and other offenders, as well as offenders with mental health problems. He attained his PhD in Developmental Psychology at Queen’s University in 2010, and has a BA (Hons) and MA, also both from Queen’s.