Debra So is a Canadian neuroscientist, science journalist and author known for her work on sex, gender and sexuality. She holds a PhD in neurobiology and specializes in research in the field of sexual orientation and gender identity. Debra So is also the author of The End of Gender, in which she critically examines contemporary approaches to gender and sexuality based on scientific evidence.
As a science journalist, she often writes articles that challenge common ideas about gender identity, advocating an approach based on biology and neuroscience.