Gary is the CEO and co-founder of Equimundo Center for Masculinities and Social Justice (formerly Promundo-US). He is co-founder of MenCare, a global campaign working in more than 50 countries to promote men’s involvement as caregivers, and co-founder of MenEngage, a global alliance of more than 700 NGOs. He co-created and leads the International Men and Gender Equality Survey (IMAGES), the largest-ever survey of men’s attitudes and behaviours related to violence, fatherhood, and gender equality. He is a co-author of the 2015, 2017, 2019 and 2021 State of the World's Fathers reports. He has advised the UN, the World Bank, numerous national governments, and key international foundations and corporations on strategies to engage men and boys in promoting gender equality and received the Voices of Solidarity Award from Vital Voices for his work to engage men for gender equality.