John Dillon was a public servant who went on to serve as the Permanent Head of the Chief Secretary's Department (1961–73).
[1] Geraldine attended the Emily McPherson College of Domestic Economy in Melbourne and in 1959 she travelled to Britain where she completed an advanced course at the Cordon Bleu School in London.
[2] She returned to Australia in 1960 where she assisted one of her instructors from London, Muriel Downes, in presenting a series of six half-hour television cooking programs called Cordon Bleu Kitchen filmed in Sydney.
She joined the staff of GTV9 in June 1960 and presented six-minute cooking segments for a weekly program called Thursday at One.
Later in the year she was asked to present a longer half hour cooking show called Fun With Food.