The NSW Centre for Overweight and Obesity (COO) was a collaboration of five groups:
- Australian Centre for Health Promotion (ACHP)
- Centre for Research into AdolescentS' Health (CRASH)
- The Discipline of Paediatrics and Child Health, The Children's Hospital at Westmead
- Centre for Physical Activity and Health (CPAH)
- NSW Centre for Public Health Nutrition (CPHN)
Each collaborating research group is represented on the Board of Directors.