Christelle and Alexandre teach in Geneva since 2012, in the school of Jang Widler.
They began with regular classes in Geneva, which they still teach.
In 2011, they register for the first international events and competitions.
They have been teaching internationally since 2013 and are regularly requested in different WSDC and non-WSDC events.
Alexander is also eligible to be Chief Judge at WSDC events.
They have been competing in the All-Star division since 2015 and are still competing.