Kattash played at the 1997 edition of the EuroBasket, with the senior Israeli national team, scoring 22 points per game during the tournament.

In 2009, he remained with Galil, leading them against the odds, to the Israeli League Final Four, and coming within a last shot of knocking out Maccabi Tel Aviv in the semifinals.

In June 2010, Kattash was appointed as Hapoel Jerusalem's head coach, signing a three-year contract.

[2] On June 21, 2012, Kattash was appointed the head coach of Hapoel Eilat, as the team was re-included into the Israeli Premier League, for the 2012-13 season.

During that summer, Kattash led the Israel men's under-20 national team to a silver medal at the 2017 FIBA Europe Under-20 Championship.

On October 10, 2017, The Basketball Federation of Israel, named Kattash the new head coach of the senior Israeli national team, for the next four years.