John Graham has been actively involved in genealogy since starting to research his own family in 1975. His interests subsequently expanded to embrace local history, in particular the area of the South Coast of NSW centred on the town of Gerringong. He has written five books on aspects of local history of the area, and co-authored a sixth with Joanne Marsh.
From 1998 until 2005, John was head of the Sydney Dead Persons Society (DPS), during which time the DPS founded the Ryerson Index. He is currently President of Ryerson Index Inc.
John is a life member of Gerringong Historical Society, and a member of Shoalhaven Family History Society and Richmond-Tweed Family History Society.