El Ghanassy has signed for the Baggies from AA Gent.
"My position is as a left or right winger and I like to run with the ball," he told the WBA website.
"I have some skills and I promise the team some skills.
"I expect that if I play some games, a lot of people will come and love my skills, and I hope that some people in West Brom will come and watch my skills.
"The Premier League is the best league in the world and I am very, very happy to be playing in this league.
"I'm going to be playing against the top teams in the world and I'm very, very happy and I'm very, very hungry.
"West Brom have a very strong history and I'm very happy that I will be playing for this club."