As part of this mission, founder Hiker Chiu started a "free hugs with intersex" campaign at Taipei's LGBT Pride Parade in 2010.

[30][31] Along with ILGA-Europe, the organisation contributed to Resolution 1952 (2013) of the Council of Europe Parliamentary Assembly, on Children's Right to Physical Integrity, adopted in October 2013.

[32][33][34] Notable representatives include executive director Dan Christian Ghattas, co-chairs Kitty Anderson and Miriam van der Have,[35][21] and Kristian Ranđelović.

OII-Francophonie was the original OII, based in Quebec and Paris, from where the French title Organisation Intersex International derived, and founded by Curtis Hinckle, Andre Lorek and Vincent Guillot (amongst others) between 2003 and 2004.

OII-Francophonie hosted a summer school in Paris in 2006, with representatives from Canada, France, Belgium and the UK including Vincent Guillot, Cynthia Krauss and Paula Machado.

[36][37][38] OII Germany, also known as Internationale Vereinigung Intergeschlechtlicher Menschen, participates in national and European action promoting human rights and bodily autonomy.