Tony Holmes has been the chairman of the Internet Service and Connectivity Providers Constituency at ICANN. He also works as consultant at British Telecom Group PLC, and he is also a Council member of ICANN's Generic Names Supporting Organization.
Within BT Group PLC, Tony Holmes works as a consultant focusing on naming, analyzing and addressing issues related to the policies and strategies implemented.
Tony Holmes replaced Greg Ruth as the 2010 GNSO representative on the ICANN Nominations Committee. He again represented the ISPC Internet Service and Connectivity Providers Constituency on the 2011 NomCom.