Katherine Vandam Bornstein (born March 15, 1948) is an American author, playwright, performance artist, actor, and gender theorist. In 1986, Bornstein started identifying 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.: x  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.: xi  Source: Wikipedia (en)