Peter retired from full-time employment with the Australian Government in 2013 where he had been Director of National Parks and head of Parks Australia from 1999. He currently chairs the Steering Committee of the National Environmental Science Program’s Marine Biodiversity Hub, and is on the boards of the Australian Tropical Herbarium and the Blue Mountains World Heritage Institute. He is also a director of Ecotourism Australia, Tangaroa Blue Foundation and Earthwatch Australia Institute.
Peter was elected in 2016 as a member of the Council of the International Union for Conservation of Nature (IUCN) and has been appointed as the IUCN Council focal person on oceans and is a member of the IUCN Global Green List Committee.
Peter consults on environment and governance issues in addition to appointments as a Commissioner of the NSW Independent Planning Commission and as an Assistant Commissioner of the NSW Natural Resources Commission.