Stig_Severinsen--Jacques_Yves_Cousteau

Stig Åvall Severinsen (born 8 March 1973) is a Danish freediver. He is a four-time world freediving champion and holder of multiple Guinness World Records. He also wrote Træk Vejret – mere energi, mindre stress (2009), published in English in 2010 as Breatheology – The Art of Conscious Breathing.