Anriette Esterhuysen served as the chairperson of the Multistakeholder Advisory Committee of the United Nations Internet Governance Forum (IGF) from 2019 to 2021.
She was executive director of the Association for Progressive Communications (APC) from 2000 to 2017 and continues to work with APC as Senior Advisor on Internet Governance and convenes the annual African School on Internet Governance, a project of APC, Research ICT Africa at the University of Cape Town, and the African Union Commission.
She serves on the governing bodies of the IGF Support Association, Connect Humanity, Digital Empowerment Foundation, and the South African Tertiary Education Network (TENET).
Anriette was inducted into the Internet Hall of Fame as a Global Connecter in 2013 for her work in extending internet connectivity in Africa and received the Electronic Frontier Foundation Pioneer Award in 2015 for her work on defending and promoting human rights online.