Craig Challen

Craig Jonathan Challen , PBh (GCT) (born 1965) is an Australian cave diver and retired veterinary surgeon who played a substantial role in the Tham Luang cave rescue. He was the recipient of the Oztek 2009 Diver of the Year award for his services to caving, and was joint winner of the 2019 Australian of the Year with his long-time dive partner Richard Harris.

Early life and career Challen grew up in the Perth suburb of Thornlie and later on a farming property in Gidgegannup; he attended Eastern Hills Senior High School in Mount Helena, near Gidgegannup.

Challen graduated from Murdoch University in 1987 with a degree in veterinary science. He co-founded Vetwest animal hospitals in Perth. Challen retired as a veterinarian in 2017.

Cave diving Challen learned to cave dive in 1997. In 2010 he made a record-setting dive while caving in New Zealand. In 2020 he made a second record-setting return visit to the Pearse Resurgence and extended the Australasian depth record to with Richard Harris. In 2023, Challen supported Harris' experimental use of hydrogen as a rebreather diluent gas while diving to . In 2024, Challen and Harris dived to at Boesmansgat while utilizing hydrogen.

In 2011, Challen and Harris recovered the body of their friend Agnes Milowka from Tank Cave in South Australia. Challen performed medical assessments and administered additional ketamine after the boys and coach had been dived through a flooded section of the cave.

Awards On 24 July 2018, Challen was awarded the Star of Courage (SC) and Medal of the Order of Australia (OAM) by the Governor-General of Australia for his role in the Thai cave rescue. On 7 September 2018 the King of Thailand appointed Challen as a Knight Grand Cross (First Class) of the Most Admirable Order of the Direkgunabhorn. Challen received an honorary degree from Murdoch University, his alma mater. and 2019 Western Australian of the Year.