James Castrission made history, alongside his best friend Jonesy, by completing the longest unsupported polar expedition of all time. James paddled 3318km without assistance across the Tasman Sea. He is the author of two bestsellers Crossing the Ditch and Extreme South. James is the Founder and Program Facilitator of MyAdventureGroup. James Castrission holds a Bachelor of Commerce at the University of Sydney, and has worked both as an Accountant and Management Consultant for Deloitte Touche Tomatsu.