Sheikh Khalifa Bin Zayed Al Nahyan is the second president of the United Arab Emirates and the 16th ruler of the largest Emirate of Abu Dhabi. He succeeded his father to the position in November 2004.
The Sheikh is married with two sons and six daughters; he also has a number of grandchildren.
According to his foundation's website, he is an expert in eagle hunting and a keen football fan, although it doesn't specify which team he follows.
He welcomed the Queen and Duke of Edinburgh to his palace in November 2010 during their tour of the Middle East.
Three British men jailed in Dubai claimed they were tortured by police. Here are three other cases of Brits subjected to torture abroad.
Three British men from East London have been given four year jail sentences for drug offences by a court in Dubai this morning.
Three British men who were allegedly tortured by police while on holiday in Dubai are due to hear the verdicts in their drugs trial.