07.02.2007 Facultas docendi (Rostock University)
01.06.2008 Head of the department for strabismus, Neuroophthalmology and oculoplastic surgery at University Eye Department Georg-August-University Goettingen
15.03.2011 Professor in Ophthalmology, Goettingen University
since 2017 President of the Bielschowsky Society for Research in Strabismus and Neuroophthalmology