Sara Nasserzadeh is a relational psychotherapist, psychosexual therapist, and social psychologist whose work spans more than two decades across over forty countries. She holds a PhD in social psychology and accreditation from the College of Sex and Relationship Therapists in the UK. She serves on the board of AASECT and created the Middle East Sexual Health Committee of the World Association for Sexual Health. She developed the Wheel of Context model for understanding sexuality across cultural dimensions.