Jonny is a Specialist General Paediatrician in private practice in Sydney’s Eastern Suburbs. Until recently Jonny was also the clinical adviser to the Paediatric Patient Safety program at the NSW Clinical Excellence Commission.

He is a Senior National Examiner for the Royal Australasian College of Paediatricians and is a Conjoint Senior Lecturer at the University of NSW. Jonny was on the editorial board of the British Medical Journal Quality and Safety for 4 years. Jonny is the author of two children’s health books.

Jonny did his paediatric training at Red Cross Children’s Hospital in Cape Town and at Sydney Children’s Hospital, Randwick where he then worked as a Consultant Paediatrician and Assistant Director of Clinical Operations. He was Director of Medical Services at Royal North Shore Hospital and was acting Executive Director of Medical Services for Northern Sydney Local Health District. Jonny was awarded a Harkness Fellowship in quality and safety and spent a year at Harvard Medical School, Boston.

Jonny is a director of MedEarth, he was a member of Variety The Children’s Charity medical grants committee and was a long standing board member and former Vice Chairperson of the Humpty Dumpty Foundation. Jonny is immediate past Chairperson of the SMILE Foundation.

He was elected to the board in October 2021.