Her Honour Judge von Keisenberg was sworn in on 12 March 2020 in Auckland as a District Court Judge with Family Court jurisdiction. Her Honour practised law for nearly 35 years, during the last 25 of which she specialised primarily in Family law. She practised at the independent bar since 2000 and was the founding member of Wyndham Chambers. Her Honour was the chair of the Family Courts Association for several years, and presented many seminar papers relating to Family law practice.