George Andreadis’ interest in the world of sports and outdoor activity does not stop at sailing.
- Member of Organizing Committee of '2003 International Foundation of Disabled Sailing World Championship'
- Main initiator of Disabled Sailing in Greece (2000 onwards)
- Chairman Measurement Committee Pre-Olympic Games Barcelona (1991)
- President of Organizing Committee Three Quarter Ton Cup (1989)
- Supporter of Olympic Education Programmes of World Association of Girl Guides and Girl Scouts
- Supporter and Official Sponsor of Special Olympics
