The 26-year old Dutch winger has joined the Scottish champions from Ajax on a four-year deal and Hoops manager Neil Lennon was thrilled to have clinched his services.
“We are delighted we have got him. Derk is the type of player we have been after for quite a while. He is quick and predominantly left-sided,” he said.
"He is the type of player we have been looking for, for a while.
"He is also very powerful. He has good experience and he has played at a high level for the last two or three years.”