ECARF (European Centre for Allergy Research Foundation)

Chairman of the board

GA²LEN (Global Allergy and Asthma Excellence Network)

President

DAAU Deutsche Akademie für Allergologie und Umweltmedizin e.V.

President

ARIA (Allergic Rhinitis and its Impact on Asthma)

Member of the working group of the World Health Organization (WHO) and head of the reference centre in Germany

Deutsche Gesellschaft für Allergologie und klinische Immunologie e.V.

Member of the Board

Allergo Journal

Member of the scientific advisory board

EDF (European Dermatology Forum)

Member of the guidelines group

DDG (Deutsche Dermatologische Gesellschaft)

Member of the Board of the Allergology Working Group

WAO (World Allergy Organization)

Member of the special committee for allergy diagnosis and molecular allergology and member of the special committee for skin allergies of the WAO

Membership (selection)

Berliner Dermatologische Gesellschaft e. V.

European Society for Dermatological Research (ESDR)

EAACI European Academy of Allergy and Clinical Immunology

Honorary Member

Collegium Internationale Allergicum (CIA)

ÖGDV Österreichische Gesellschaft für Dermatologie und Venerologie

Honorary Member