Kate Bornstein, American author and activist
Katherine Vandam Bornstein (born March 15, 1948) is an American author, playwright, performance artist, actor, and gender theorist. In 1986, Bornstein identified as gender non-conforming and has stated "I don't call myself a woman, and I know I'm not a man" after having been assigned male at birth and receiving sex reassignment surgery.

Bornstein now identifies as non-binary and uses the pronouns they/them and she/her. Bornstein has also written about having anorexia, being a survivor of PTSD and being diagnosed with borderline personality disorder.