Michael Naef
Managing Director, Humbel Zahnräder AG

Sales becomes increasingly important for technical businesses as ours. Especially within the international context, the exact nuance of messages becomes even more necessary. I know Stefan Hase since a long time and I know that we are in best hands. He has the ability to adjust well to our Swiss company. In addition, he is…

Jörg Bilz
Head of Sales, Programm + Datenservice GmbH

Having our staff professionally trained with a practical focus gives us, as producers of high-quality software, a major competitive advantage. The fact that we have set up our own PDS Academy reflects that just as much as the care we take in selecting our strategic training partners. We have been working very constructively with Wirkung…

Heike Clausen
Managing Director, VOTG Tanktainer GmbH

Many thanks in this way to you and your colleagues for the professional and highly fruitful support. We all learned a lot, and especially the development that every participant has shown is certainly also attributed to your instructions.

Uwe Bullwinkel
Executive Vice President Region Manager Americas DNV GL SE

We systematically trained our Americas sales team with respect to new demands of the market. Both in workshops (here in Houston, USA) and in the field: New York, Brazil and Peru. To take the mentality of both North and South Americans into account as well as to pragmatically convey the sophisticated sales topics is really…

Ulrich Kothe
Sales Manager, Albany Door Systems GmbH

Really good sales coaches who know what they’re talking about, can put across their topics in an enthralling way, and practice what they preach are rare indeed. And that’s why I’m so glad to have discovered Wirkung Plus. The events we organised with you met all our requirements. I cannot express my ap-preciation too highly.…

Roland Reinheimer
Channel Manager – Professional Print, Canon Deutschland GmbH

In the graphics art unit, we had one of the most successful years. We accomplished this remarkable performance to a high degree through a top trade fair performance of the entire team. Thanks to Wirkung Plus, who made us fit for this important industry event. “Convincing arguments”, “confident appearance” and “competent closure” have helped substantially.…

Stefan Gröner
Vice President BL Rod & Shapes, Aurubis AG

Also for us, as one of the world’s largest copper producers, the market changes significantly. Within the last 2 years, we have cooperated with Wirkung Plus. We structured our knowledge, developed and trained new topics. Above all, I liked the very pragmatic approach and the field accompaniment. In this way, we worked at the “point…

Klaus-Henning Groth
Senior Vice President, "Strategic Communication", Bertelsmann Stiftung

As a foundation of one of the world’s largest media groups, we are particularly careful in selecting our partners. I thank you on behalf of the team very much for your outstanding commitment and your great effort. Our team members are very impressed by your approach and how you work. This has really brought us…

Andreas Hergaß
Chief Operating Officer, Ensys AG

For the work done in connection with the restructuring and development of our sales department, I’d like to say a big thank you. The workshops and in-field measures were influenced by your commitment and by your technical and methodological expertise. Their clear focus on the specific needs of Ensys and their individual approaches toward employee’s…