Become a Certified 3sets Practitioner
Structured diagnosis skills. A recognized credential. A growing community that solves the one-third problem systematically.
Start Practitioner PathCertification Tiers
Four levels — from independent practitioner to trainer. Each tier builds on the previous one.
Practitioner
EUR 590
Online course + online exam
1 day
- Apply the method to yourself and your team
- Diagnose the weakest set
- Formulate the smallest next step
- Review after 30 days whether the weakest set has shifted
Coach
EUR 1,890
Coming Q2 20273 days + practice case + mentor call
3 days
Practitioner certification
- Guide practitioners and teams
- Distinguish symptom from set
- Dose interventions — neither overwhelm nor trivialize
- Use diagnostic tools professionally
Trainer
EUR 4,900 + 15% per participant
Coming 20275 days + co-train + license agreement
5 days
Coach for 12+ months
- Teach and examine the method
- Maintain method integrity
- Offer your own Practitioner and Coach courses
Master Trainer
Coming 2028By invitation only. Trains trainers and co-develops the specification.
How It Works
Five steps to your Practitioner certificate.
Study the Spec + Standard Work
The free specification and the foundational book form your knowledge base.
Complete the Guided Diagnosis
Apply five diagnostic tools to a real situation — your team or your role.
Pass the Online Assessment
Achieve a 3SI score of at least 70% in the proctored diagnosis.
Submit Reflection Paper
Short paper: What was the weakest set, what was done, what changed?
Receive Your Certificate
Digital certificate, badge, and listing in the practitioner directory.
Foundation
The 3sets Method stands on solid ground.
DPMA Trademark
Word mark "3sets" registered with the German Patent and Trademark Office (No. 30 2026 226 110, since 25 Aug 2026).
Scientific Foundation
Based on cognitive psychology, learning theory, and action theory.
Open Specification
The method definition is freely readable — transparent and verifiable.
Community-Driven
Planned association (e.V.) for research and open materials.
Frequently Asked Questions
Join the Pilot Cohort
The first 10 practitioners — reduced price, feedback-oriented, direct line to the author.