After making his professional debut with Stuttgart, it was at RB Leipzig that Werner really showed his potential. The German scored 28 goals in the Bundesliga last season, a tally that was only eclipsed by Bayern Munich's Robert Lewandowski, but he says he can reach greater heights at Chelsea.
“Of course in Leipzig it wasn't like I was the best Timo I can be," he said.
“For me it was the right time to say I want to try something new, try out of Germany. I want to go to the Premier League for a lot of matches with defenders with a lot of strength.
“I wanted the next challenge in my life. I made some steps in Germany. When I came from Stuttgart, I got into the first team.
“I played at Leipzig for four great years, I got to the Champions League and in the end the quarter-finals. This was a really good experience, but now I want to start a new chapter in my career, a new way to go and give my game some part of English football.
“When I get the strength of English football, it will be much better for me as I will have more possibilities and options in my game to do different things."
Transitioning to a new country and culture is never easy and Werner is thankful to have fellow German Antonio Rudiger helping him settle.
“Toni gives me tips in terms of the congestion charge that I will get a bill every day! That was really important, helping me to take care of some things," he says.
“I think it is really important for everybody to have people who can speak your language. He helped me a lot in my first days."