John Doorbar
My brief introduction: My clients are professional speakers who want to access and develop skills they need to deliver powerful \"never-to-be- forgotten\" presentations.
- Based in
- Germany
- Languages
- English, German
- Licensed since
- November 2024
My brief introduction: My clients are professional speakers who want to access and develop skills they need to deliver powerful "never-to-be- forgotten" presentations. After their training, both introvert and extrovert speakers sell more, feel super-confident and speak to audience as themselves. No act is required. Just expert guidance and this is what they receive from me.
John‘ achievements "in a nutshell," M.A University of Oxford. 1. Author of 5 books - Newest one is called "How to hear YES more often." 2. Very honoured to be a Persuasion trainer - Cialdini® Certified 3. Has taught on MBA Programmes in Germany. 4. Numerous high-profile clients. Long-standing business over 35 years with highly successful international clients. 5. Loves sport, magic, comedy, caricatures and teaching golf. 6. Favourite drink is orange juice. Favourite meal is roast beef and Yorkshire pudding. ( I AM British).
What people say after training with John.
“It was a great meeting and presentation from John. I really enjoyed the insights and can use them to improve my persuasion in business meetings and talks. (Key Account Manager for international supply for fasteners)”
Anonymous · June 2025
“The course with John Doorbar is excellent. Very well prepared, he presented fluently the topic of seven principles to influence or persuade someone. Looking forward to apply some of these in my current job as a strategic purchaser for a international wholesale company.”
Andreas Papakostas, Strategic Purchasing, German Internation Wholesale · May 2025
“The training with John has significantly improved the way I communicate with our clients. I learned practical strategies for presenting my ideas more clearly and persuasively, both in one-to-one conversations and group settings. We also explored key principles of ethical influence—such as how to build trust through authority and liking, how to use social proof to support our message, and how to create a sense of value through scarcity. On top of that, my vocabulary and grammar have noticeably improved. I now feel much more confident and prepared to speak in a way that connects, convinces, and inspires.”
Sabine Weber, Quality Assurance - Automotive, International Distributors · May 2025
“I would like to improve my business English, learn more vocabulary options, and solidify this through more speaking and writing, and become much more confident.”
Berrang (John Doorbar) · May 2025
“The workshop with John Doorbar helped me a lot to improve my presentation techniques. We learnt the 7 principles of influence to persuate my audiance... to change their behaviour. In addition, the workshop was a lot of fun and very practical for my daily work!”
Raphael Rupp I Head of Team Automotive & Mobility · May 2025
“Time went so fast in the lesson with John. I went there without any expectations and was surprised by how much I could learn. We learned how to prepare for a presentation in a simple and efficient way and what is really important. For example, a good mindset before the presentation through oxytocin release, use of gestures, clear design of slides, and much more. We practiced together in groups, which was a lot of fun. John has a wonderful sense of humor that rounds out his lessons.”
Sandra Wehrle · May 2025
“The program is customized to my working day, so it can be integrated into it. The content is simple, so that I could remember it in the next conversations with customers - that is very helpful. The interactive tasks with my work colleague were helpful and lightened up the situation.”
Christina Sulz, Key Account Manager, Berrang, Germany · May 2025
“Influence skills are very helpful for my professional presentations and business. John trains very professionally and clearly”
Jakob Wiebe, PM in Germany International Enterprise · May 2025
Scroll sideways for more
Request John for your team.
Every inquiry is managed by the Cialdini® Institute. Tell us your goals and timeline and we will introduce you to John — or recommend a better fit — within 1–2 business days.
