The 20-year-old Australian checked in at Lennoxtown this week after securing a work permit, after his move from A-League club Central Coast Mariners.
When meeting the media at the club's training complex, Rogic revealed his break came when he was invited to the
Asked if there was an X-Factor element to his breakthrough, Rogic, who has since won four caps for Australia, laughed then replied: "In a way I guess you could put it like that.
"About two years ago, I was just playing local football. The Chance programme was to find unidentified talent who had not been at professional clubs.
"Playing local league at the time, I gave it a try and ended up being part of the
"Not being able to sign for any clubs because of work permit reasons, I headed home and signed for Central Coast, where I had a productive 12 months and I guess it has all culminated in signing for Celtic.
"The past 12, 18 months seem pretty crazy but I have put in a lot of hard work and believe I have earned the opportunity.
"It is obviously a massive club with a great history.
"When they were interested I was very flattered and, from when I met the side in Marbella and coming back and seeing
Lennon recognised Rogic's relatively late entry into the professional game but had enough confidence in the player to put him alongside some exalted company.
The Hoops boss, who tried to sign Wolves'
"We are not saying he is the Great White Hope or anything like that but I think he will be invaluable as the season goes on and, over the next two or three years, we hope he blossoms into the player we hope he can be.
"There are times you get late developers who go on to have fantastic careers.
"Tom has matured, physically, although I think he has a little bit more to come in that aspect, but athletically and football-wise, for his age, he is very good."
Rogic will not be in the squad for Sunday's William Hill Scottish Cup tie at Raith Rovers, but Lennon insists he could be involved in the Champions League last-16 clash with Juventus on
The former Celtic captain said: "We are just hoping he adjusts quickly to the environment and if he does then he will have every chance to be in the squad."
On his attempt to get Doyle, the Northern Irishman said: "I wanted him to come in and play with
"Kevin knows what the club is about but he is pretty committed with Wolves for the foreseeable future and we respect that."