Johannes Williem

- Praktisi Hipnotis
- Praktisi Hipnoterapis
- Praktisi Neuro Linguistic Programming
- International Certification in Leadership Psychology dari American Institute of Business Psychology ( AIOBP )
- Colored Brain Certification dari Directive Communication International ( DCI )
- Emotional Drive & Motivation Certification dari Directive Communication International ( DCI )
- Certified Organizational Culture Consultant dari Directive Communication International ( DCI )
- Certified Trainer dari Global Trainers Federation ( GTF )