In addition to his Chairmanship with TNB, Tan Sri Hamid sits on the Boards of Transnational Insurance Brokers (M) Sdn Bhd and X-Fab Silicon Foundries NV, Brussels. He is also on several non-profit Boards including as Chairman of the Kuala Lumpur State Library Management Board and Yayasan Kemajuan Insan Kuala Lumpur (YAKIN).
Tan Sri Hamid served the Kuala Lumpur State government as State Secretary amongst others. He was a former council member of the Institute of Integrity Malaysia, member of Excellent People Group for Malaysia-Indonesia, and a member of the advisory committee of Malaysian Anti-Corruption Commission.
