Gary Barker, PhD, is a leading voice on engaging men and boys in gender equality and ending violence against women. He is International Director and founder of Promundo, an international NGO with offices in Brazil, Rwanda, Portugal and the US that works nationally and globally in engaging men and boys for gender equality. He is co-chair and co-founder of MenEngage, a global alliance of more than 400 NGOs and UN agencies working to engage men and boys in gender equality, and a member of the UN Secretary General’s Men’s Leaders Network to end violence against women. He is coordinator of the multi-country survey on men, IMAGES (the International Men and Gender Equality Survey), one of the largest ever surveys on men’s attitudes and behaviors related to violence, fatherhood and gender equality. He is co-founder of MenCare, a global campaign, active in more than 25 countries, to promote men’s involvement as equitable, non-violent caregivers.