Commenting on his move to Germany, the full-back said: "I'm looking forward to the challenge and the wonderful VfB fans."
He added: "I really want to make use of my chance. It's fantastic to be working together with Christian Gross again. I had a very successful time with him in Basel."
"He is a very athletic and fast player, who often looks to push forward. Philipp wants to take his chance at VfB."