+31 2026 13622 - office

CEO, Dumrath & Fassnacht KG, Germany

www.duf.de


Personal profile:
Olaf H. Tonner is managing director since 23 years at Dumrath & Fassnacht, its subsidiary Birkner GmbH & Co. KG and since 1995 also at Ö.Ö. Telefonbuchverlag, Verlag für Telemedien GmbH & Co. KG in Austria.

Within the publishing group he is responsible for IT, accounting/controlling, the group process organisation and the production of both print and online directories. Olaf H. Tonner shaped the realignment of the publishing house performing as multimedia-based service provider for local marketing. Its portfolio was supplemented with web products, listing services, SEO, SEA and social media presence.

With a graduate degree in business studies he worked some years in the field of tax consulting and auditing before joining the publishing group. He is president of the inter-trade organisation Verband Deutscher Auskunfts- und Verzeichnismedien e.V. (vdav) and serves on the advisory board and supervisory board of several cooperations of the directory industry.

Company profile: