Bio: Breathing & Breath Holding with Stig Severinsen, PhD Medicine & Explorer🐬💫 4x Freediving World Champ🥇🥇🥇🥇

Bio: Manuel Ruep, 53, is an S&C Coach with national and international Champions in soccer, basketball, field hockey, golf, badminton...

Bio: Norwegian, 64, married, father and grandfather

Bio: Scientific research is my job, and I’m passionate about health and diet

Bio: Breath nerd, cold enthusiast, WHM instructor