Cialdini Institute Certified Influence Coach
David Grmek
Switzerland
Every person deserves to shine and feel proud of who they are.
- Expertise
- Customer Service, Leadership, Management, Procurement, Public Speaking
- Languages
- English, French, German
- Certified since
- May 2025
About David Grmek
Every person deserves to shine and feel proud of who they are. Over the past 25 years I’ve been passionate about helping people find their voice and grow, especially in personal development and the art of public speaking. I’ve worked with a lot of interesting people from many different cultures and languages across Switzerland, from Zürich to Geneva, from Lucerne to Lausanne, seeing firsthand how each individual can thrive. These experiences have taught me a great deal about how people think, feel, and just how distinct everyone truly is. I believe anyone can take a step toward a better self. By listening closely and supporting each person, I help set realistic goals, practice consistently, and watch those goals turn into genuine confidence. Seeing that spark of progress is what keeps me going.
Clients
Organizations David has worked with.
Reviews
What participants say about David.
Reviews from people David has worked with, in their own words.
“How to get the best out of yourself and what you have to offer and how you can convince others of that”
Anonymous · August 2025
“There were ideas I never thought it before. Because I'm often working at the reception and the person who has the first contact to new clients, it will really help me to use the power of persuasion. I'm happy that I had this opportunity to learn about the 7 principles. Thank you very much.”
Lydia · July 2025
The coach community
Want to teach influence like David?
David is a Cialdini Certified Influence Coach in Switzerland. Every Cialdini coach teaches from four decades of research on ethical influence.
You can join David in the global coach community. Start with POP or The Cialdini Method, then train for 8 hours with a CMCT to earn your certificate and badge.
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