For many years Norberto Keller, Sandan, was the right hand of the late Gobin Persaud, Sandan. At present Norberto is the leader at the dojo of the Shotokan Karate of Curaçao. Under his leadership and guidance, the karate students practice martial techniques at an international level. This is possible by occasionally participating at recognized tournaments and/or by taking part at international special training. At present Norberto is a retired security supervisor and has more time practicing for rank of Yondan.