2017-present         World Association for Sexual Health 2021 WAS Congress Scientific Committee.
2017-present         Historian, World Professional Association for Transgender Health.
2017-2022              Standards of Care for the Health of Transsexual, Transgender, and Gender Nonconforming People, 8th Version, Committee, World Professional Association for Transgender Health.
2017-present        Chair, Standards of Care Translations Committee, World Professional Association for Transgender Health.
2014-2018              Research Committee, Canadian Professional Association for Transgender Health.
2017-present        Scientific Committee, Genere, Identità, Cultura, Naples, Italy
2017-present        Harrington Park Press, Senior Advisory Board
2015                        Canada Research Chairs College of Reviewers
2015-present        Journal of Sex Research, Editorial Board.
2015-2016              (US) National LGBT Museum, National Advisory Council.
2015-present        Digital Transgender Archives, Advisory Board.
2014-2015              Transgender Studies Quarterly, Co-editor, Special Edition on Archives.
2012-present        Transgender Studies Quarterly, Editorial Board.
2011-2012              Journal of Homosexuality, Special Editorial Board.
2009-2013              Vancouver Island Transgender Needs Assessment Advisory Committee
2008-2012              Journal of Gay & Lesbian Mental Health, Advisory Board.
2004-2008              Journal of Gay & Lesbian Psychotherapy, Editorial Board.
2002-present        Archives of Sexual Behavior, Editorial Board.
1997-2001              Journal of Sex Education and Therapy, Consulting Editor.
1997                       Carpe Discoursum: A Journal of Transgressive Practices, Editorial Board