Jerko Leko was born on the 09.04.1980. in Zagreb. He started his career at FC Posavina with less than 8 years but soon he moved to NK Dinamo Zagreb. When he was 17 years old he went on a brief loan to NK Sesvete.

After returning he  signed his first professional contract with Dinamo. In the same season he started to play for the first team and there played 44 matches and scored 5 goals until his next transfer to Dynamo Kiev.

That same year, 08. May 2002. following a call in a Croatian national team debut in the friendly game against Hungary. Jerko has 59 appearances for Croatia.

In Dynamo Kiev he leaves a distinct mark in his first season as a player of the year was chosen by journalists. In four years he plays over 100 games with big performances against Inter Milan and Arsenal in London in the Champions League.
With Dynamo Kiev won numerous honors following: 2 times champion of Ukraine, 3 times won the Ukrainian Cup, 2 times won Super Cup of Ukraine.

 In 2006. year Jerko chooses AS Monaco as his new club. Choosing among several options he decides to make a dynamic French league and in 4 years he played over 100 games in the jersey of the club from the Principality.

After the expiration of the contract with AS Monaco, Jerko was in 2010. transferred to Turkish Bucaspor, Super league club from Izmir.

In the year spent in Izmir, Jerko played 34 matches and scored 2 goals for Bucaspor.

After a season in Turkey, Jerko decides to return to Zagreb where he signed a two-year contract with Dinamo.

So after nine years spent abroad, he decided to go back to the club where he started his professional career.