Dr. rer.nat. Meike Wiedemann is a neurobiologist and therapist with her own practice in Stuttgart, Germany. She has been working with neurofeedback for nearly 30 years and is actively engaged in advancing the ILF-method in particular through research projects and training.
Kirsten Segler is also a biologist. However, after gaining her degree she turned to journalism. She writes for magazines such as Men's Health and Brigitte and is also the author of books on the subjects of health, diet and nature.