• 2015 Nominated as a role model entrepreneur 2015 with distinction
• 2015 Appointment as Certified Business Trainer, issued by incite GmbH, a certification body accredited by ICMCI in accordance with EN ISO/IEC 17024 
• 2016 Top Coach (result of independent FOCUS survey) in the areas of communication, management and sales
• 2019 EXPERTE - Award "Leadership & Sales" (Erfolg Magazin)
• 2020 Expert Award Erfolg Magazin and TOP 500 of the most important minds D/A/CH in the world of success
• 2020 Proven Expert Award 5 stars TOP recommendation and TOP service provider
• 2021 Expert Award Erfolg Magazin and TOP 500 of the most important minds D/A/CH of the world of success
• 2022 Red Fox Award / Berlin Business Award / Keynote Award / Excellence Award

Customer excerpt: 

Bridgestone, Tonfunk, INGBank, Seeger Orbis, GASA GmbH, Bioscientia, Rheese + Thies, Cogitaris, DMB, Kühne + Nagel, Whitford, OBI, Hintz, Mundorf, First Stop, Mundipharma, Glyn, Richer + Frenzel, Lobster, KMW AG, Fraundorfer Aeronautics, VR Smart Finanz AG and many more.

Excerpt from company references:

"The training took place over 20 days at various locations in Germany, the Netherlands and Switzerland, where employees from Luxembourg and Belgium were also present. We experienced you as a competent and committed trainer who, with his professional seminar management, succeeded in inspiring, engaging and motivating the participants and successfully communicating the content. This is also reflected in the consistently positive feedback and participant feedback."
Bernhard Rein, Vice President Air Freight Central Europe, Change Management Training Measure

"Mr. Heller regularly trains our employees from Switzerland, Austria and Germany in in-house seminars on "NLP in Sales". The practical and target group-oriented implementation enables the participants to put this into practice immediately. We see the enthusiasm and humor with which he conveys the content pragmatically as the decisive factor in why it is so well received and implemented by our employees." 
Nicola Mascetta, Manager Training & Development, premium vehicle tire manufacturer

"The participants in your telephone training report instructive yet entertaining events with a high level of practical relevance. The participants also like to use the handout to reinforce the material in their everyday lives. What was particularly positive was that the employees leave the event very motivated and show this in their day-to-day work." 
Ulrike Reifenstein, Personnel Officer Medical Diagnostics, Chemistry

"Stefan Heller has been supporting our company for several years as a coach in the context of employee training and regularly conducts in-house training courses. Thanks to his many years of experience as a trainer, his exceptional empathy and his humorous approach, Mr. Heller succeeds in ensuring that the content is internalized and implemented by our employees. We can see the effectiveness of the training courses time and again in our day-to-day work. We look forward to continuing our collaboration and are very happy to recommend Mr. Heller as a trustworthy partner." 
J. Paninka, A. Nasseri, Managing Director of the market research company

"The training had a high practical relevance for day-to-day business, the content can be implemented immediately and creates confidence in dealing with different discussion partners. To summarize: Highest praise!" 
Wolfgang Rohde, Member of the Management Board, Import, Export and Wholesale of Technical Articles

Further references on request!