“I was impressed by the precision and efficiency with which Prof. Armbrüster and his team achieved results for our company. The visualized approach helped the entire company to understand its culture and accept change.”

Klaus-Peter Glöckner
Chief Executive Officer
Aerzener Maschinenfabrik GmbH

“The international top management of SEW-Eurodrive was particularly impressed by the strong focus on practical examples and the use of tools that Thomas Armbrüster used. He impressed the participants with his personality and expertise.”

Holger Richert
Head of Corporate Human Resources
SEW-EURODRIVE GmbH & Co KG

“I had the pleasure to participate in a leadership training with Thomas and benefitted a lot. Among other learnings, I left the training with a clear strategic plan to enhance my communication effectiveness.”

Massimo Lopardo
CEO
Peri Inc. Canada

“As Mannheim Business School, we have been working very successfully with Prof Dr Armbrüster for more than 10 years. He is a central trainer in many of our programmes in the areas of leadership, employee management, corporate culture and change management. Our clients always look forward to his innovative training programmes.”

Ramona Lidl
Manager Sales Corporate Clients
Mannheim Business School

“Both our leadership quality and our company values have benefited greatly from Prof. Armbrüster’s support. He enabled us to manage the numerous transformation processes much better than before. Working with Prof. Armbrüster represents an indispensable benefit. Every coaching session is simply fun.”

Petra Hegt
Vorstand
Marienstift Arnstadt

“Prof. Armbrüster and his team support us in the cultural integration of new locations as well as in coaching senior executives and training our junior executives. We are very satisfied and can particularly recommend Prof. Armbrüster and Mr. Scherer for every company.”

Dr. Marina Martini
Mitglied des Vorstands
AMEOS Group

“Thomas Armbrüster’s training courses on cross-cultural management are characterised by an enormous cultural breadth and comparative knowledge of national cultures. The participants are very well prepared for international management tasks.”

Prof. Dr. Matthias Hühn
Prof. of Management
St. Vincent College, Pennsylvania

“Prof. Armbrüster accompanied us as Hessische Landesbahn as part of our strategy process to redefine the corporate strategy and business development, particularly with regard to new business areas. He was at our side with words and deeds; we really appreciated his pragmatic approach.”

Veit Salzmann
Chief Executive Officer
Hessische Landesbahn GmbH

“We find Prof. Armbrüster’s trainings unconventional – and very effective. Especially in terms of leadership, a whole new level, a whole new horizon than previous trainings from other providers.”

Thilo Kiefer
Managing Director
Munich Enterprise Software GmbH

“I have commissioned Prof. Armbrüster and his team in various functions with management training and executive coaching. They deliver excellent quality; effective and highly appreciated by the executives. I can highly recommend them to other companies. I also found the week-long digitalisation trip to Silicon Valley particularly impressive, with lectures, company visits and other programme items on site. I benefited a lot from it.”

Stefan Wollschläger
Head of Human Resources
KMG Kliniken SE

“Prof. Armbrüster has been the lead trainer in the leadership training programme for the managing directors of our more than 60 subsidiaries worldwide for several years. We feel a positive effect of the trainings with Prof. Armbrüster, the demanding participants are very satisfied and look forward to the next module every time. Prof. Armbrüster makes a significant contribution to the implementation of our leadership principles and the strengthening of the leadership culture in top management.”

Lisa Steinemann
Head of Talent & Leadership
PERI GmbH

“Thomas Armbrüster has been very attuned to the individual needs of the managers in our leadership and change courses and has brought the participants out of their comfort zone with a wealth of methods and experience, into learning and reflection.”

Christian Holz
Leiter Transformation & Digitalisierung, DB Akademie
Deutsche Bahn AG

“I value the cooperation with Prof. Armbrüster because all the courses are scientifically based. Because he makes even encrusted structures workable with humour and provocation and lets his participants and coachees experience the content with experiments and adventures instead of “only” understanding it cognitively.”

Dr. Christine Solf
Innovation Lead for Industries, Functions & Convergence
Accenture

“I took part in a digitisation trip by Prof. Armbrüster to Silicon Valley and learned a lot more there. It’s impressive what Mr Armbrüster gets up to in Silicon Valley and San Francisco and what you can take away for the digitisation of your company at home in Germany.”

Thomas Schmidt
Executive Director
Fraport Beteiligungs-Holding GmbH

“With the conference organised by Prof. Armbrüster </span><span style=”color: #000000;”>Silicon Valley Tour, we experienced an exciting further training for our committees at Volksbank Mittelhessen. Personally, I was thrilled by the selection of topics and especially by the speakers. We can all take a lot away from Silicon Valley — in particular, we also felt the spirit of the Valley. And we were able to develop a better understanding of the things that move our business.”

Peter Hanker
Chairman
Volksbank Mittelhessen e.G.

“We worked with Prof. Dr Armbrüster as part of a development programme for managing directors in the automotive industry. His leadership training programme received top marks from the participants. They were enthusiastic about the content and the way it was taught, and quite a few even told me that they would have liked to stay another day.”

Dr. Nora Heger
Principal Director for Coaching and Leadership Development
Accenture plc.

“I have been working closely with Prof Armbrüster since 2017. Our cooperation is characterised by great trust. Every exchange with him, in Silicon Valley and in Germany, is profitable.”

Dr. Johannes Ziegler
CEO
miacademy.co