1981-1987: studied Dentistry at the University of Groningen, Netherlands

9/1987- 6/1989: worked as a contract dentist in private and NHS practices

7/1989-present: owner of a dental/orthodontic clinic in Sehnde (D)

1996-present: orthodontic training with Dr. William Clark, Prof Dr. Tiziano Baccetti and Dr. Luis Carrière

1999-present: Teaching orthodontic courses for Ortho Company in Germany and the Netherlands.

2010- present: foundation, together with Drs. Jan Cleyndert, from the SWIP (Straight Wire In my Practice) course series in Holland, Germany and Poland, 10-day consecutive course in orthodontics (course content on the last pages)

Numerous lectures during educational events for orthodontists.