David Knoff is the author of 537 Days of Winter, the story of a routine Antarctic mission that became the longest continuous Australian expedition in modern history after the pandemic cancelled the team’s ride home. Born and raised in Melbourne, David served as an infantry platoon commander in the Solomon Islands, then as an Australian diplomat in Islamabad and Baghdad, before joining the Australian Antarctic Program in 2019 as station leader at Davis research station. He later returned to Antarctica as voyage leader to resupply the Mawson and Davis stations. David is one of the authors of the Expert Author Community, a home for experts turning serious ideas into meaningful books.