Geoff is an active member of ACT Herpetological Association and former treasurer. He has given many presentations on reptiles of the Southern Tablelands. He is a former President of Friends of Grasslands, the Conservation Council for the Canberra Region and Kosciuszko to Coast, Secretary of the Southern Tablelands Ecosystems Park, and committee member of several other organisations. He has also been editor of a number of newsletters.
No sightings currently exist.