Stig Åvall Severinsen

Four-time world freediving champion and holder of multiple Guinness World Records.

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