The non-profit organization Naevus Global, formalized in 2013, connects individuals and families around the world affected by the rare condition Congenital Melanocytic Naevus (CMN). Naevus Global promotes cross-border collaboration in research, consensus guidelines, and international registries to unite efforts and map medical expertise. Since 2017, Naevus Global takes part in a new international network called ‘Naevus International’, to provide mutual consultation between patients, scientists, clinicians, psychologists, and other stakeholders. Naevus Global is the patient advocacy branch of this network.