Meg-John Barker

| birth_place = Hull, England | education = PhD Psychology, University of Nottingham; MA Psychotherapy, University of Sheffield | known_for = writer on queer, sexuality, relationships, and gender. Authority on open non-monogamy, bisexuality, non-binary gender, and BDSM | occupation = writer, writing mentor, creative consultant, and speaker | years_active = 2003–present | party = | website = }} Meg-John Barker (born 23 June 1974) is a writer, writing mentor, creative consultant, speaker, and independent scholar. They have written a number of anti self-help books on the topics of relationships, sex, and gender, as well as the graphic non-fiction books, ''Queer: A Graphic History'' and ''Gender: A Graphic Guide'', and the book ''The Psychology of Sex''. They are the writer of the relationships book and blog ''Rewriting the Rules'', and they have a podcast with sex educator Justin Hancock.

Barker is a full-time writer, as well as being a writing mentor, creative consultant, speaker, and independent scholar. Barker holds a PhD in Psychology from the University of Nottingham, and worked for two decades as an academic psychologist at the Open University in the United Kingdom, and as a psychotherapist specialising in sex, gender, and relationships.

Barker has written and/or edited some of the first academic collections on open non-monogamy, bisexuality, non-binary gender and BDSM. They were editor of the journal ''Psychology & Sexuality'' from 2010 to 2017, and lead author of ''The Bisexuality Report'' and the BACP document on Gender, Sexual, and Relationship Diversity.

Barker's pronouns are singular they/them. Provided by Wikipedia