The Global Forum has a self-standing dedicated Secretariat, based in the OECD’s Centre for Tax Policy and Administration, in Paris, France. The Head of the Secretariat is Ms Zayda Manatta, from Brazil.

As its membership has expanded, the Secretariat has also expanded and currently includes about 50 members of staff from around 20 member jurisdictions that speak more than ten languages. They come from a variety of backgrounds including from national finance ministries, tax administrations, legal and advisory firms and academia.