Anriette Esterhuysen was the executive director of APC until March 2017. Prior to joining APC, Anriette was executive director of SANGONeT, an internet service provider and training institution for civil society, labour and community organisations. Anriette has served on the African Technical Advisory Committee of the UN's Economic Commission for Africa's African Information Society Initiative and was a member of the United Nations ICT Task Force from 2002 to 2005, the World Summit on the Information Society (WSIS) Working Group on Financing Mechanisms, and the Commission on Science and Technology for Development Working Group on Internet Governance Forum (IGF) Improvements. She was a member of the Multistakeholder Advisory Group of the Internet Governance Forum from 2012 to 2014.

Currently, Anriette is a member of the Global Commission on Internet Governance and the Council of the NETmundial Initiative. She has published extensively on ICTs for development and social justice. She holds a BA in social sciences and postgraduate qualifications in history of music and information sciences from the University of the Witwatersrand in Johannesburg, South Africa.

Anriette is currently a member of the Steering Committee for the Internet Universality Indicators revision process.