That depends on your personal preferences for what makes a good leader. Some people like John Key, others do not.
John Key is a leader because he is the Prime minster
John Key is the Prime Minister of New Zealand as we are a self autonomous society we don't really need a "leader" as such.
john key
John Key makes around $200,000,000,001 a year give or take a few billion cents.
Prime Minister John Key leader of the National PartyAt the moment John Key is the prime minister of New Zealand, he is the 38th Prime minister of New Zealand.
The current Prime Minister of New Zealand is John Key, the leader of the National political party.
Key was made leader of the National Party within the caucus in 2006 after Don Brash's resignation. Following the 2008 general election which resulted in National's pluarality of votes, National formed a coalition government with ACT and the Maori Party, gaining a majority in the House, and placing a majority of support for Key as leader. This arrangement was recognised by the Governor-General, officially making John Key the Prime Minister.
The plug key is good for thing in the circuit. The plug key either makes it or breaks it.
John Hume
You don't say which leader you have in mind, but generally speaking, history has shown that for any Middle Eastern leader to survive, he must be a forceful personality. This was true then as it is now. Other key qualities were then: he had to be a good and succesful army leader, lawmaker and administrator.
A Caliph.
The leader of the metaphysical poets is typically considered to be John Donne. Donne's innovative use of metaphysical conceits and his exploration of deep and complex themes have made him a key figure in this literary movement.