Jason Culina

Culina began his career with Sydney United under his father, Branko Culina, before moving to Ajax, where he struggled in the reserves. Only after moving to Twente did Culina begin to shine at the top level in club football. This was proved by his moving to another top Dutch club, PSV. While originally an attack-minded midfielder with Twente, at PSV Culina played more in a disciplined defensive role for the club with immediate success. In his final year at PSV, Culina was mainly deployed at right-back with further success, attributing to Culina's versatility and utility value.

On 9 January 2009, Culina announced his intention to return to Australia after turning down a contract extension from PSV as he sought a new challenge and a fresh start in Australia. "I want to make a fresh start and I am ready for a new challenge. I am the first international who returns to Australia and I am keen to promote the national competition and raise the standard." On 14 January 2009, he was signed by Gold Coast United on a three-year contract, becoming the club's first marquee player. On 1 July 2009, he made his Gold Coast debut in a friendly in Singapore against a Singapore Olympic Selection, coming on as a substitute for Steve Pantelidis and scoring in the 88th minute from 25 yards out. On 22 February 2011, it was revealed Culina would join his father Branko Culina at Newcastle Jets. Culina was injured long-term and missed the 2011–12 season. His contract was set aside, but he continued…

In 2015, Culina joined the King's School football coaching staff, helping with the school's first team. In 2016, Culina moved to St Joseph's College, and was the college's technical director of football and coach of the First XI. In 2017, Jason became head coach of NSW League Two side Fraser Park, alongside his father Branko and brother Dean. On 16 August 2017, Culina was appointed head coach of Sydney United 58 after Mark Rudan resigned Culina announced his resignation from the role eight games into the season, with four wins and four losses to his side's name. Culina is now coach of Sydney United 58 FC under 12's. On 10 August 2023, Culina joined Western Sydney Wanderers as their Head of Academy Coaches.

Culina made his debut for the Australia national team against South Africa in 2005. He became a regular starter for the Socceroos under head coach Guus Hiddink, who was also his club coach at PSV. His first international goal came in September 2005, against the Solomon Islands in Sydney. Culina played in both legs of the World Cup play-off against Uruguay where Australia qualified for the 2006 World Cup following a dramatic penalty shoot-out. He was selected in the Australian squad for the World Cup, held in Germany, and started all four of Australia's matches. On 3 March 2010, Culina was named captain of Australia for the first time, in an AFC Asian Cup qualifier against Indonesia, a 1–0 victory. On 18 June 2013, he announced his official international retirement at a function held before Australia's World Cup qualifier against Iraq.

Culina is the youngest son of former Sydney FC and Newcastle Jets coach Branko Culina. He is of Croatian descent. He grew up in Melbourne’s western suburbs, before relocating to Sydney with his family as a teenager. He completed his schooling at Westfields Sports High School. On 5 February 2007, Culina and his wife Terri welcomed their first child, a boy named Roman. His son Roman, is also a footballer, who currently plays for the St George City in the NPL NSW.