Humphrey is a part-time commissioner at the Commission for Conciliation, Mediation and Arbitration (CCMA). He is an admitted practising advocate of the High Court and a member of the Independent Advocates Association of South Africa. Humphrey has experience both as a Trade Unionist and Senior Human Resource Manager.
In 1999 Humphrey served as an acting Head of the National Bargaining Council subcommittee of the governing body that accredited Bargaining Councils. He has also served as a chairperson of the Group for Environmental Monitoring (GEM) which worked with progressive elements of civil society nationally and inter-nationally in fields such as trade, globalisation and North-South and South-South co-operation.
Humphrey, as a CCMA commissioner, has facilitated major disputes in Auto Sector, Security Sector and other disputes of national importance. He also trained bargaining council commissioners. He serves on the exemption committee of the National Bargaining Council for the Chemical Industry (NBCCI) and the committee of preliminary enquiries of the Professional Health Council of South Africa. He has acted as a Magistrate in the district of Johannesburg.
Humphrey is based in Durban.
The Atrium, 10th Floor, 41 Stanley Avenue, Milpark, Johannesburg.