Willem Lammers

Dr. Willem Lammers, MSc, DPsych, TSTA, is a Swiss-Dutch psychologist, psychotherapist, coach, and Teaching and Supervising Transactional Analyst. He is the founder and developer of Logosynthesis®, an integrative model for healing and development that uses the power of words to restore the flow of life energy.

Since discovering Logosynthesis in 2005, he has developed, practised, and taught the model internationally. Based in Maienfeld, Switzerland, he supports individuals and trains professionals through consultations, seminars, and Master Classes. His books explore self-coaching, beliefs, emotions, creativity, and spiritual development, and have been translated into several languages.

He has received two awards from the Association for Comprehensive Energy Psychology (ACEP), most recently the Outstanding Contribution Award in 2026.