Postecoglou, an Australian, won the final against Manchester United but was eventually removed from his position as Tottenham manager.
Postecoglou said that being sacked was a new experience for him, but he was eager to join a club that would allow him to continue his career.
He mentioned that he wasn't initially interested in a job with Nottingham Forest, especially given the success of former manager Nuno.
However, he was drawn to the opportunity and decided to take it.
Postecoglou reflected on his departure from Tottenham, stating that he knew it was coming before the final.
He added that it wasn't a surprise and that he had a chance to process the situation.
Postecoglou also expressed his appreciation for the Spurs supporters, saying that they were gracious and understanding.
He joked that he must have done something right, as the fans wanted to take him out for dinner.
Postecoglou's comments provide insight into his experience and perspective on his departure from Tottenham.
He is now focused on his new role at Nottingham Forest and the opportunities that lie ahead.