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"Never stop experimenting. That principle built my career. It also ended it.*"
*Not as dramatic as it sounds — it transformed into AhaPlay.
Stavros Stavru, PhD — co-founder of AhaPlay — trained thousands of people and consulted with hundreds of organisations. This book holds everything he learned through two decades of successful training and consulting. Its final chapter holds the reason he stopped — and together with his co-founder Ivan Mitov, started AhaPlay.
Bestseller on Amazon & Barnes and Noble · PDF · 230+ pages · Free
Preview the Book
The Turning Point
"You can't clean a fish tank by replacing 10% of the water. And yet, that's exactly what training does — once a year."
For years, as a trainer and consultant, I helped teams and organisations navigate challenges, fostering better collaboration, agility, and performance. Through 31 unique techniques, I enabled many to rethink how they work, communicate, and lead. But there was always one challenge I couldn't solve.
No matter how powerful a workshop, how impactful a coaching session, or how transformational an experiment — it wasn't enough.
I was fighting against a system that would inevitably revert to old behaviours. I lacked reach. Training interventions worked in isolated groups, but they failed to influence the collective. I lacked reinforcement. Even in coaching, without a mechanism to sustain new behaviours, entropy set in, and people slipped back into familiar patterns.
It felt like trying to clean a fish tank by replacing just 10% — not enough to make a difference. To truly change the chemical composition, you need to replace at least two-thirds. Culture works the same way: unless a critical mass of people shifts, the system defaults to its old equilibrium. Isolated improvements don't just fade — they can actually create friction with the unchanged majority.
And even if you manage to clean the tank once, it won't stay that way. Transformation requires continuity. You need a filtration system — a mechanism for ongoing reinforcement — so that new behaviours aren't just introduced, but sustained over time.
This realisation led me to a crossroads. Should I continue refining these techniques and creating new ones, knowing their impact was limited? Or should I take a leap and experiment on an entirely different level?
True to my belief that one should never stop experimenting, I quit consulting and co-founded AhaPlay.
What if I could create a system that didn't just teach alignment but enabled it to emerge naturally? What if the barriers of traditional training — limited reach, lack of reinforcement, reliance on facilitators — could be removed?
AhaPlay was built on that hypothesis. A new kind of experience — non-facilitated, self-sustaining, scalable — where insights aren't dictated but discovered through collective exploration.
Change at scale doesn't happen when people are told what to do. It happens when they experience their own aha moments — together.
What Leaders Are Saying
"Never Stop Experimenting is a rich compendium of tools and philosophies that align beautifully with Scrum principles. Its actionable techniques inspire innovation while ensuring sustainability, making it a must-read for Scrum Masters, Product Owners, and Agile leaders."
Jeff Sutherland
Co-creator of Scrum, Agile Manifesto signatory
"An outstanding, one-of-a-kind book for individuals, teams, or leaders seeking to improve. I learned new frameworks and techniques I'm eager to apply."
Mike Cohn
Co-founder of the Scrum Alliance and Agile Alliance, bestselling author
"Wide-ranging, well-researched, and well-categorized for use. Never Stop Experimenting offers thirty-one techniques helpful for any leader who values learning and supports the learning of others. The ability to experiment and learn from our findings is central to developing resilience, and essential to our work now and in the future."
Diana Larsen
Bestselling author of Agile Retrospectives and Lead Without Blame
Also endorsed by Gil Broza, Linda Rising, Geoff Watts, Klaus Leopold, and Bob Galen.
The best experiments don't just improve individuals. They transform entire systems.
Where the Book Ends
31 experiments. One after another. The 32nd was AhaPlay.
Every technique in this book was an experiment that worked — in the room. AhaPlay is the experiment that makes them work outside of it.
Zero Tolerance — But Where’s the Line?
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