TJ Halbertsma schreef een boek over zijn avonturen
Esther Jacobs2022-08-18T20:30:18+02:00TJ Halbertsma is an 'ordinary' guy, who does extraordinary things. In daily life, he is the CEO of a large financial firm in London. In his spare time he is an extreme adventurer; climbing the highest mountains, crossing the Arctic and Antarctic, swimming the 'escape from Alcatraz'and more. Read his story