The emergence and diffusion of global networks working around health issues with a gender perspective (gender & health organizations) is a relatively new phenomenon characterizing the last three decades with growing interest in gender studies, sociology of health and sociology of social movements. A transnational dimension seems to be more fit to negotiate women's different conditions and interests - compared to traditional ones, whose actions remain limited to national arenas. We carried out exploratory research of about 284 international health-related organizations. Here we are going to present the results of a quantitative survey of 48 of them, dealing specifically on women and gender inequalities, and the outcomes of a qualitative investigation on 2 of them. In this essay, we focus on transnational organizations' missions, activities and strategies.