Meg-John Barker is the author of a number of popular books on sex, gender, and relationships, including graphic guides to Queer, Gender, and Sexuality, How To Understand Your Gender, Life Isn't Binary, Enjoy Sex (How, When, and IF You Want To), Rewriting the Rules, and Hell Yeah Self Care. They have also written a number of books for scholars and counsellors on these topics, drawing on their own years of academic work and therapeutic practice.

Alex Iantaffi is an internationally recognized independent scholar, speaker and writer on issues of gender, disability, sexuality and mental health. They are also a licensed marriage and family therapist, sex therapist, somatic experiencing practitioner and supervisor.