Geraldine has been a feminist for over 50 years since she was a university student at Otago University in the 1970s, picketing against beauty contests and marching against the Vietnam war.After a stint as a social and community worker, she worked in the Human rights Commission for many years, as an investigation officer and then a team manager. She completed an LLB (Hons) graduating at the age of 52. She then worked at several law firms including the Grey Lynn Neighbourhood Law Office.
Geraldine specialised mainly in family law, relationship property and civil litigation.
After retiring in August 2025, Geraldine has pursued her hobbies and retains a keen interest in several human rights organisations and activities.