George served on the NSW Branch Committee, led the effort for 1976 VII International Coal Preparation Congress in Sydney, and is a Life Member. His service is listed below:

NSW Committee:

• 6 years on the Committee – between 1971-72  and  1976-77
• 1 year as Chairman –  1974-75
• 2 years as Secretary –  1971-72  and  1972-73

International Coal Preparation Congress:

• Chairman of the International Organising Committee for VII ICPC (Sydney) in 1976
• Chairman National organising committee for 1976 VII ICPC
• Australian delegate on IOC for International Coal Preparation Congress 1971-1976

Other:

• Active in promoting the Society and frequently gave addresses at Society meetings
• Facilitated co-operation with The AusIMM (Past President 1995) and MICA (Current Chairman).
• Chaired Standards Australia and earlier its Coal & Coke Committee. Promoted Australian Standards internationally as bases for ISO Standards