This Australian began working in Antarctica in 2003, and the Arctic a year later. His first job was as a historian, photographer and Zodiac driver.
What skills do you bring to the job?
"Experience as a historian, photographer and Zodiac driver, as well as excellent interpersonal skills."
What keeps you coming back season after season?
"The North and South are very magical places. It is a privilege to see them and share them with guests."
If you could time travel, which historic expedition would you join, and why?
"Fridtjof Nansen's - he was a great planner and had all the skills!"
John's advice to Polar Travelers
"Waterproof your camera really well. Bring dry bags."