Authentic participant testimonials and a before-and-after video show you how speaker training can enrich lives. Read here about Greator TheKey Experience and be inspired for your own path.
One of our participants in the before and after comparison
Frank Humpel has undergone an incredible transformation
This video clearly shows what the right methods, intensive coaching and professional speaking and performance training can bring out of you. Are you ready for your transformation into a speaker?
Through TheKey I realized that public speaking is a craft and needs a lot of practice. Thank you for this realization. TheKey is a great product for me.
I met so many great people, had such valuable experiences, was able to learn from the best coaches and also made new friends. I will always remember all of this with gratitude!
I can tell you today in November 2023: I am already BOOKED OUT UNTIL THE END OF 2024, so the return on my investment in speaker training will actually happen. So my tip to you: Don't doubt, take action. Start a new career in your life as a successful speaker.
Jenna Kortland
Thanks to TheKey, I have grown beyond myself and have opened up and spoken in public for the first time about topics that I have never told anyone before. It also gave my business and entrepreneurship a real "kick-start". I have the feeling that things are really taking off now.
Dr. Andrea Schellnack-Ipoumb
Through the training I have lost my fear...of speaking in front of many people...my self-confidence and self-esteem have increased. The first step has been taken, the second will follow...I have found like-minded people and feel I am on the right path.
Participants report: Their experiences with Greator TheKey
Marlien Friedrich
I listen to the keynotes/speakers from Greator myself and they motivate me. I want to reach as many people as possible to go out for themselves and Greator offers a great community. I chose TheKey because I have had the visualization of being on stage for a long time. Over the last few years, I've realized that I'm a good speaker and that I'm able to inspire and motivate people. I wanted to get better at it, especially rhetorically, gain confidence and work on my performance. To be able to tell stories that captivate people. To learn from people who are where I want to be. After the training, I became clearer in my communication and my opinions. More confident when I have something to say and can stand up for it with conviction. I am a little less interested in what others think about me. I can understand other people even better. I have gained even more empathy for all groups of people. My horizons have become even wider. I have gained even more self-confidence. I can write better and more vividly than before the training. I am infinitely grateful for the journey and the opportunity to celebrate my results at the Greator festival.
Anja Müller
It was not a mental decision, but a deep feeling that I "had to" do the training. I would never have imagined such enormous personal growth beforehand. believed. My mind, my ego and also many people around me said: "You don't need that. You can talk. Why don't you save the money...the time...the Energy.... etc.". So lots of reasons why I should NOT do it. And I did it anyway. Because MY FEELING said it was the right thing to do. And it was the best decision! The combination of rhetorical skills, building a speech, positioning and, very importantly, working out your own motivation and competence - all of this stands out enormously from other speaker training courses and was the great added value for me. After the training, I became even clearer, more authentic and stronger. Before the training, I was already very successful and stable in my self-employment as an Innergetic & Coach and also as a trainer. But the training was like "the next step". Personal growth is a natural process and this is exactly where the training helped me a lot. The "growing pains" were super accompanied and supported by the coaches. Thank you again from the bottom of my heart to the great Greator team <3
Tobias Beck explains why TheKey is the key to success
Your springboard: The advantages of Greator
Maximum Flexibility
Professional Trainer
Practical Alignment
Growing Community
What our participants say about Greator
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Sandy W.
December 3, 2025
I’m currently completing the Momentum Mastery Coaching training program at Greator, and I can wholeheartedly recommend it. The blend of psychologically grounded content, nervous system work, intensive self-exploration, and honest mentoring—especially from Francisco Medina—is exceptional.
Greator doesn’t teach superficial tools; it fosters lasting transformation. During this time, I’ve gained tremendous self-confidence, broken free from old patterns, and discovered my professional vision as a mentor.
If you’re looking for a coaching training program that combines heart, science, and real-world practice, this is the place for you.“
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Ottmar Herd
November 2, 2025
Thanks to the training here, I’ve found a way to discover who I really am and what I’m truly like—far removed from masks and expectations. It has shown me the talents and possibilities that lie within me. Thank you, Dieter, and the entire Greator team.
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Ricardo Donner
October 21, 2025
I took one of my courses—Lebensschule Pro—with you guys. I attended the Greator Festival 2025—I’ll be back in 2026 too—and I went to see Tony Robbins! Inspiration, knowledge, sharing, and pure joy of life. See for yourselves. I give it 5 stars. You’ll definitely go home smarter than when you arrived—if you want to.
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Roswitha Sion
October 21, 2025
Dear Dieter Lange, dear Greator Team,
Your work is the most valuable thing I’ve encountered so far in the field of continuing education and self-development. So far, I’ve found answers here to almost all of life’s questions (I haven’t finished my training with you yet), especially from Dieter, who—with his life experience and expertise—is a master of his craft. My thanks go out to all of you. It’s a true school of life and personal growth, on every path in life. Thank you for being there!
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Bless-Yourself! Coaching
August 5, 2025
The name says it all. It’s a wonderful platform. You’ve made personal development accessible to everyone. What an achievement—and what a wonderful contribution! Last year, I decided to enroll in Dieter Lange’s School of Life. The wisdom and perspectives shared there are worth their weight in gold. Thanks to you and the amazing Dieter Lange, I’ve decided to share and pass on this knowledge as a life coach. Thank you so much for everything. Keep up the great work :) Best regards, Kevin
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Nathalie Otto
July 31, 2025
The Greator training was one of the best decisions I've ever made! It helps me understand myself better and learn things in a new way. I really can't recommend it enough!
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Prisca
July 26, 2025
Life Lessons with Dieter LangeI’ve almost completed Dieter Lange’s School of Life, and I’m very grateful that I decided to take it. Over the past 6 months, I’ve learned an incredible amount about myself. The videos, reflection questions, and accompanying texts are very well coordinated. Plus, the Greator team is incredibly helpful and very flexible when it comes to setting up payment arrangements.
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Yvonne J.
July 1, 2025
The training programs with Christina & Walter have been the most valuable investment of my life so far. Since then, so much has become clearer and easier. Even after four days, the Live Coaching Days in Cologne are still having a positive ripple effect. It was so valuable to experience the two of them coaching in person. The highlight for me was the visioning session with so many other people who radiated positive energy. Thank you!
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Markus Schenke
April 23, 2025
Top-quality programs, thought out down to the smallest detail. Professional, highly concentrated knowledge paired with an amazing community. I'm already looking forward to the next training course with Greator.
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Barbara Jakubek
April 18, 2025
Last year, I had the privilege of participating in the Greator coaching training program—a clear, honest, and at the same time deeply liberating journey of self-discovery. This training was a life lesson for me.
A big thank you to Dieter Lange: His razor-sharp clarity regularly prompted me to reflect—and, above all, to take action. Being able to learn from him was a gift that has transformed me on many levels.
But I’d also like to thank the entire team—because without you, this journey wouldn’t have been possible at this level of quality. You’ve done so much behind the scenes—making things happen, organizing, and making it all possible. And the impact was palpable.
Thank you to Stefan, who introduced me to the "school of life" during a pivotal conversation.
Thank you to Daniel, who was always there when technology suddenly became a hurdle.
Thank you to the head coaches Silke, Melanie, and Reinhard, who guided me with expertise, heart, and reliability.
And last but not least: My thanks to Christina and Walter Hommelsheim. Your Rauhnächte in December 2023 were the beginning.
Thank you for this special time. Thank you for your work.
“I came to learn and left to live”
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Mike Kofler
February 18, 2025
A great training program. Exactly what it takes to become a true pro! Thanks for your support. ATTTTTACKE
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Heike Rausch
January 30, 2025
Greator is not just a company but an institution dedicated to transforming lives. I’ve had the privilege of meeting so many incredibly self-aware, fantastic, and wonderful people here—people I could never have imagined before. Furthermore, the Momentum training is such a profound, revolutionary process (in a positive sense) that I myself am currently taking a huge leap forward in my personal growth—one that deeply moves and touches me. For me (I can only speak for myself :) ), Momentum is something like the "Holy Grail" of personal development.
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Bianca Bailer
October 13, 2024
An incredibly compassionate, unbelievably warm-hearted, and highly motivating coach. The course material is well-structured, and you set your own pace. I highly recommend it to anyone who wants to understand life and themselves 🍀
As an educational center, Greator is a true asset to this world. Great people, great training programs, and a great concept that empowers people to rise above themselves.
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Jens Eschenbächer
May 30, 2024
With my training as a coach according to Dieter Lange nearing completion, I am very satisfied.
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Melissa Bulanik
May 26, 2024
For me, this training program and the decision it involved—to do something for myself—was the best decision of my life!!! I got to get to know myself, learn a lot about myself, others, and our behavioral patterns. The instructors are incredibly good! Simply the best! I love how well-structured the online program is and how affordable it is! The in-person seminars were also exceptionally well-done and organized. Greator did a fantastic job organizing everything—huge praise to them, and a big thank you for everything you do!!!
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Daniel Thiel
May 14, 2024
I am absolutely thrilled with THEKEY's training program. I would recommend it to anyone who wants to work in the public speaking and coaching industry.
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Maike Jentzen
April 14, 2024
I’ve been doing the Greator Life Coach program for 2.5 months now, and I’m thrilled with it from start to finish. It took me a few days to get my bearings on the platform, and I got to practice putting myself out there, contributing, and becoming visible. Now that I’ve cleared that hurdle, the training has been a true gift! It’s the greatest gift I’ve ever given myself—it feels so good and brings me completely back to myself! Christina and Walter take great care to ensure that this training isn’t just another item on my to-do list or a source of stress in my life—and thanks to their help and reminders, I’ve been able to fully succeed in that! The meditations are truly life-changing, and thanks to the videos, things often click into place! The “Lying Eight” is primarily about our emotions. I’ve been passionately engaged in personal development and psychology for over 20 years. However, there were often moments when I understood something on a purely cognitive level, but my emotions spoke a completely different language. I knew why I was angry. Still, I didn’t know what to do with that feeling. Thanks to this training, that bridge is finally there. I have much greater access to my emotions again and can be even more authentic and loving toward myself. I no longer have to push them away out of fear; instead, I’m learning to embrace them. And this has given rise to an attitude toward life that I wouldn’t want to be without!!!
Through the community, I’m also getting to know so many wonderful people right now. Gone are the days when I felt like I was alone in my desire to make the most of my life. I used to only find others in podcasts and on YouTube. Now I’m getting to know more and more genuine, lovable, open-minded, and mindful people, and it’s simply a blessing.
I would make the decision to take this training over and over again!!!! Thank you, thank you, thank you to Christina and Walter and the entire Greator team! You guys are priceless!!!!!
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Sarah Vigl
February 12, 2024
I searched for a long time for a training program that would perfectly complement my independence in a holistic sense, and I found exactly what I was looking for at GREATOR with the Life Coach program.
Christina and Walter’s knowledge is incredibly vast, and you can really take a lot away from it for yourself and, especially, for your future clients.
The “Lying Eight” method offers an intensive and empathetic approach to lovingly release stuck blockages and positively transform the initial situation.
The only major downside for Austria is that our (not-so-)beloved government doesn’t recognize this training, which means it can’t be practiced as part of a self-employed business under the “Life and Social Counselor” trade classification—which is a real shame, since, in my opinion, absolutely no other training program in Austria even comes close to this one.
Even though I’m not allowed to coach here with this training, it still enriches the rest of my work in many ways, and for that reason alone, it was totally worth it for me.
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Martina Ertl
December 30, 2023
The School of Life is one of the most fantastic ways to grow personally! Through many of his perspectives, Dieter has helped me further refine my ability to see life through a different lens—one that leads to greater serenity, wisdom, and contentment! His uncompromising approach to taking responsibility for one’s own life goes a long way toward helping us understand and grasp what freedom truly means. The School of Life was a gift to me that more than exceeded my expectations.
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Johanna Glück
December 16, 2023
Dieter Lange - The School of Life. For me, Dieter Lange’s School of Life serves as both confirmation and motivation for my self-awareness and my ability to lead myself. All of the content—and the "how," as Dieter Lange explains and demonstrates—is a tremendous enrichment for my life and my personal growth.
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Janett Sperling
July 2, 2023
The Greator Life Coach Training Program is absolutely fantastic—not only in terms of content but also in terms of structure. The course material is superbly organized, follows a clear logic, and is absolutely engaging. The way the coaching methods and techniques are taught is also excellent. It’s a great mix of "learning" content, meditations, and exercises. There are great opportunities to interact with Greator and other training participants. I’ve rarely learned so much about myself, tried so many new things, and stepped further and further out of my comfort zone. I’ve learned to give my feelings space, to let them be there, and to feel them fully. Uncovering old beliefs, dissolving emotional blocks, connecting with my inner child, and making new decisions are just a few of the wonderful gifts I’ve been able to give myself through this training. And being able to pass all of this on as a coach is a truly wonderful feeling. Completing this training program was one of the best decisions of my life!
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Jennifer Heng
May 4, 2023
When I started my life coach training in the second round in November 2020, I didn’t yet know how intense and profound the journey would be. I’m so grateful for this opportunity and my Stone group. For me, the best part of the training has been first exploring my own issues so that, as a coach, I can truly understand what I’m talking about. That’s what feels authentic to me. I highly recommend that everyone at least complete the Practitioner level.
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Timm Kloevekorn
April 28, 2023
A spectacular festival and great coaching training programs
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Markus Weber
April 19, 2023
Personal development training programs with tremendous depth and outstanding live events featuring national and international leaders in the industry
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Lucy Erd (Antonia the Star)
September 17, 2022
Great program, amazing opportunities—but only for those who can afford to pay or secure financing for training programs costing between 10,000 and 34,000 euros.
Talented individuals who want to apply just to prove their skills right off the bat won’t be able to.
You can only participate in Speaker Night if you accept the terms and conditions of the training program. It’s a shame, because I think Greator offers unique opportunities.
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Elke Schulte-Wehberg
August 10, 2022
Very professional, very reliable, and very customer-focused. I’ve completed two training programs at Greator and can highly recommend both of them. The investment was well worth it for me. I’m very grateful for all the knowledge I’ve gained here and am now successfully putting into practice. This year’s festival at the Lanxess Arena was also fantastic! I’d love to come back. You’re a great team! Thank you for being there!
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Stefan C Müller
August 3, 2022
Greator is simply a great company. Through their events and their work—both online and offline—they put personal growth front and center. Through their efforts, they broaden the horizons of tens of thousands of people—and likely many more than that. Once you’ve experienced events and training sessions with Greator, your life will never be the same. When companies like Greator establish themselves in our economy, humanity has a wonderful future ahead.
Thank you for the Greator Festival 2022—it was unforgettable.
With love, Stefan
The most frequently asked questions about Greator speaker training
When does TheKEY training begin?
The official program launch is on August 26, 2026.
How does the registration process work?
Getting started with us is very straightforward: You’ll book an initial, brief informational meeting with us to go over the key details. After that, we’ll hold another in-person consultation. During this session, we’ll take a little more time to really dive into the details, and you’ll have the chance to ask all your questions. Then, if you’d like to join us, you’ll complete your binding registration.
Will I receive a certificate?
Yes. After you successfully pass the Speaking Exam, you will receive official certification as a Greator Speaker.
How much time do I need to allow?
You should expect to spend about 3 to 5 hours per week. The entire program takes place online, offers maximum flexibility, and can be integrated into your daily routine no matter where you are.
Am I even cut out to be a coach or an expert?
Yes, definitely. About 80% of our participants are coaches, consultants, or subject matter experts—and at the start of the program, none of them are professional speakers yet.
I don't have a spectacular story—is my expertise enough?
Yes, absolutely. Your expertise and your unique journey to get here are already your story. TheKey helps you present these milestones in a way that makes the biggest impact on your audience.
What exactly does the use of AI entail?
Greator has developed its own AI tools that are an integral part of the training program. They provide you with extensive support in positioning yourself and developing your keynote by offering valuable insights and frameworks. However, they never replace your creativity, your personal style, or one-on-one coaching.
What does it cost to take part in TheKey?
The investment depends on various factors and your individual needs. Let's meet during a free initial consultation to assess where you stand—during that meeting, you'll also learn all the details about pricing and the various payment options.
I tend to be objective - does that work without a lot of emotion?
Yes, authenticity beats acting. We'll show you how to use your natural style and still be touching. Many of our most successful graduates tend to be quiet, no-nonsense types.
How much time do I need to invest?
Schedule around 3-5 hours per week: for lessons, exercises and developing your keynote. The 1:1 coaching sessions take place flexibly according to your schedule.
Do you have any questions?
Book your free initial consultation now.
Contact us for an initial consultation and clarify any unanswered questions - we will be happy to help you!
