Research

This content was last updated Oct. 2, 2023, 2:56 p.m. UTC

J. Michael Bailey

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J. Michael Bailey (sometimes credited as simply “Michael Bailey”) is an American psychologist and professor in the department of psychology at Northwestern University, a private …

Kenneth Zucker

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Kenneth Zucker is an American psychologist and the Editor-in-Chief of the Archives of Sexual Behavior (ASB), a sexology journal published by the International Academy of …

Roberto D’Angelo

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Roberto D’Angelo is an Australian psychiatrist and psychoanalyst and, at least as of 2020, the president of the Society for Evidence Based Gender Medicine (SEGM), …

Jamie Reed

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Jamie Reed is a former employee of the Washington University Transgender Center at St. Louis Children’s Hospital. She is most known for making unsubstantiated allegations …

Stanley Goldfarb

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Stanley Goldfarb is a conservative nephrologist who has begun building a career opposing transgender care through his organization, Do No Harm, which opposes critical race …

Susan Evans

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Susan Evans is an English psychotherapist, a prominent member of the anti-trans organization the Society for Evidence Based Gender Medicine (SEGM), and co-author of the …

Marcus Evans

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Marcus Evans is an English psychoanalyst and co-author of the 2021 book Gender Dysphoria: A Therapeutic Model for Working with Children, Adolescents and Young Adults, …

Mark Regnerus

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Dr. Mark Regnerus is a sociologist and professor of sociology at the University of Texas, in Austin. His work is focused on sexual behavior, marriage …

Michael Laidlaw

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Michael Laidlaw is an American endocrinologist, a former member of the conservative group American College of Pediatricians (ACPeds) and a member of the defunct Pediatric …

Lisa Littman

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Lisa Littman is a physician, researcher, and current President and Director of the Institute for Comprehensive Gender Dysphoria Research (ICGDR). She is also a former …

Avi Ring

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Avi Ring is a former Norwegian academic with ties to various medical misinformation and anti-trans political organizations, including the Society for Evidence Based Gender Medicine …

Julia Mason

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Julia Mason is an American pediatrician who opposes some of the mainstream consensus on gender-affirming care but does not support full bans on gender-affirming care. …

Institute for Comprehensive Gender Dysphoria Research

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The Institute for Comprehensive Gender Dysphoria Research (ICGDR) is a group in Providence, Rhode Island founded by Lisa Littman. Its membership suggests close ties to …

Riittakerttu Kaltiala

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Riitakerttu Kaltiala, also known as Riitakerttu Kaltiala-Heino, is a Finnish professor of adolescent psychiatry who opposes gender affirming care for minors. She is most known …