Siniša Oreščanin

On 3 January 2021, Oreščanin took over Croatian top division side HNK Gorica as head coach.

On 24 May 2021 after Gorica failed to secure a spot in the 2021–22 Europa Conference League second qualifying round through the national championship, Oreščanin was sacked by the club together with his assistant, Goran Rosanda.

He was dismissed as Hajduk coach on 19 July 2019 as a victim of inner fights in the club, following the shocking elimination of Hajduk by Maltese side Gzira United in the 2019–20 UEFA Europa League first qualifying round.

After a very poor Hajduk's starting the season under the leadership of Željko Kopić, the first team of Hajduk was taken over by Zoran Vulić, but he also failed to significantly improve the situation, so the management of the club decided to make another change and on 27 November 2018, Oreščanin was appointed manager.

After leaving Dinamo, in 2015 he led the first team of Dugo Selo. He went to Saudi Arabia and worked there at one of the biggest clubs, Al Nassr, as the coach of the under-19 team with which he won the Cup winner title and the second place in the Championship.

In parallel with his work at Dinamo from 2010 to 2011, he was hired as coach in Croatian national teams up to 14 and 15 years old.

After Sesvete, he went to NK Zagreb to coach the young players, where he stayed for two years before leaving for Dinamo Zagreb, with which he achieved remarkable results in five years of work. From 2009 to 2014, the young generations of Dinamo achieved great results, both domestically and internationally. In addition to winning several national championships, they also achieved great results at the Manchester United Premier Cup, a competition considered by many to be the strongest in that age category globally, winning the second place in Europe and the sixth in the world. In his several years of work at Dinamo, numerous young and later senior national team players passed through his hands.

Oreščanin started his coaching career as an active player, working in Sesvete from 1999 to 2007. During this time he worked as a junior coach, manager of football academy and first team coach. After six years in junior section, in 2006 he got the opportunity to lead the first team and remained at the helm of the team until 2007.

Oreščanin started his football career at a younger age in cadets and juniors at Dinamo Zagreb as a central midfielder, and spent his senior career at several lower league clubs in Zagreb and the surrounding area. He also played for Croatian clubs from Bosnia and Herzegovina for a while. On three occasions, he played for NK Maksimir and besides it, he played for NK Sesvete, Dugo Selo, ZET, TŠK, Sesvetski Kraljevec and Lučko, and during the 1990s he played for HNK Ljubuški and Sloga Uskoplje in the First League of Herzeg-Bosnia. Playing for Ljubuški he also won two Herceg-Bosnia Cup titles. He ended his playing career in 2006 as the captain of Maksimir.

Siniša Oreščanin "Six" (born 30 July 1972) is a Croatian professional football manager and former player who was recently the manager of Prva HNL club Gorica.