Antero Joki is a highly experienced freediver having represented team Finland in 15 world championships so far. He has done several Finnish national records in all four competitive depth disciplines. Antero has grown near Lake Päijänne and has been training several years in this drinkable lake. Antero is also freediving instructor trainer and the trainer of the German freediving national team. He was AIDA International Technical Officer from 2012 to 2017 and he has also organised several world record dives under the ice.