Cacilda Jethá

Dr Cacilda Jethá, MD, is a practising psychiatrist, specialising in psycho-sexual disorders and couples therapy. She has done field research on sexuality for the World Health Organisation.

Ryan and Jethá are married and live in Barcelona, where they co-author a blog for Psychology Today: http://www.psychology today.com/blog/sex-dawn

Website: http://www.psychologytoday.com/blog/sex-dawn

Books

• Sex at Dawn: the prehistoric origins of modern sexuality: New edition (Author)