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Sertifikasi Nasional dan Internasional, serta Prestasi Dr. Iwan
- Certified Counsulting Hypnotist & Certified International Instructor from National Guild of Hypnotist (NGH) USA
- Certified Ericksonian Hypnotherapy from Igor Ledochowsky (USA)
- Certified Master Ericksonian Hypnotherapy from Jeffrey Zeig – Milton H. Erickson Foundation, Inc (USA)
- Certified Ericksonian Hypnotherapy from Stephen Gilligan Ph. D (USA)
- Certified Hypnotist, Hypnotherapist, & Certified Instructor from Indonesian Board of Hypnotherapy (IBH)
- Certified NLP Master Practitioner & Certified Master Trainer dari Neo NLP Society Indonesia
- Certified Trainer and Personal Coach “Hypnotic Goal Setting” dari Mindset Motivator Krishnamurti.
- Certified Practitioner Quantum Love Therapy (QLT)
- Certified Professional Coach from LOOP
- President National Guild of Hypnotist, Inc (NGH-USA) Indonesia Chapter
- Licensed Trainer of Intuitice Coaching from Integra Institute
- Direktur & Master Trainer from Indonesia School Hypnosis & Hypnotherapy dan di Transformasi Indonesia
- CEO “Donat MISSU” dengan 13 outlet