People involved


Dr Tom Weidig (tom.weidig at has a diverse background with publication records in physics, finance, and stuttering. His main scientific interest lies in stuttering, because he has been stuttering since the age of three. On his blog The Stuttering Brain, he critically reviews the science, treatments, and controversies in stuttering. He has written over 1000 posts over several years, and is the leading blogger in the field. He is especially interested in understanding the neurobiological basis, and how the very diverse biopsychosocial symptoms fit together into one framework. He has a PhD in theoretical physics from Durham, and a Master's from Imperial College London. He successfully completed Open University courses in biological psychology and cognitive neuropsychology. He was a post-doctoral researcher at Manchester and twice a visiting scholar at Trinity College in Cambridge. He then switched to finance, where he worked in risk management for investment bank Bear Stearns. He spent several years in the venture capital industry where he did consultancy (mainly for the European Investment Fund), developed a software for portfolio management, and wrote a book on fund investment. He is still an advisor to a quantitative venture capital fund. He also has passed Level I and II of the prestigious Chartered Financial Analyst (CFA) qualification.

Dr. rer. nat. Gilles Michaux (gilles.michaux at is a permanent member of the scientific staff at the Laboratory of Psychobiology at the University of Luxembourg. He teaches courses in psychological methodology, psychophysiology and psychophysics, and supervises undergraduate and postgraduate students. He holds a Diploma degree in Psychology with a focus on developmental and educational psychology, and did a PhD in psychobiology at the University of Trier. He is the president of the Luxembourg Psychological Society in Luxembourg.

His research interests include psychophysiology, psychophysics and psychometrics of stress, placebo and pain. He conducted joint research projects with the Institute of Physiology and Pathophysiology at the Johannes-Gutenberg University in Mainz and the Centre for Neuropsychological Research at the University of Trier.

Dr Michaux is expert group member of an EU-funded TEMPUS IV (Trans-European Mobility Programme for University Studies) project on "Life-Long-Learning Framework for Medical University Teaching Staff".

He is a trained hypnotherapist and expert in relaxation techniques, and offers stress management seminars to students and university staff. He also has a wide range of other scientific interests including cultural psychology, ecological psychology and evolutionary psychology. His spare-time is filled with meditation, martial arts, and photography.

Scientific Advisory, Book Review, and Support

Dr Dave Rowley

Lecturer in Psychology, de Montfort University.

Dr David Leopold

Chief, Unit on Cognitive Neurophysiology and Imaging, NIH.

Dan Bloom, JD, LCSW

Gestalt psychotherapist and Editor of journal Studies in Gestalt Therapy: Dialogical Bridges,

New York City

Dr Sylvie Groben

Trained psychologist and psychiatrist-in-training, Munich.

Christina Schuster

PhD student in Psychology, Kiel (Germany).

Helen Steingröver

PhD student in Psychology, Amsterdam.

Ora McCreary

reviewer & bouncing board on book, New York.

Jelena Tadic

Speech and Language Pathologist, Belgrade.

Paul Hauffels

book reviewer, Luxembourg.