http://www.guinnessworldrecords.com/world-records/24135-longest-time-breath-held-voluntarily-male
he longest time holding the breath underwater was 22 min 00 sec by Stig Severinsen (Denmark) at the London School of Diving in London, UK, on 3 May 2012. Stig was allowed to hyperventilate with oxygen prior to the attempt, and did this for 19 minutes and 30 seconds.
