[1] On 22 July 2015 Simon signed a one-year contract with the Italian club EA7 Emporio Armani Milano.
[3] On 9 July 2017 Simon signed a two-year contract with the Turkish club Anadolu Efes, with second year being optional.
In 26 appearances in the 2017–18 EuroLeague, he averaged 9.2 points, 3.9 rebounds and 3.4 assists per game.
[6] On 8 July 2022, Simon parted ways with Anadolu Efes after five successful seasons together.
He also represented Croatia at the 2014 FIBA World Cup and the 2016 Summer Olympics.