Jeff Tesselaar

ambassador Jeff Tesselaar Jeff Tesselaar has been an ambassador for the Del Ferro Institute since 2025. “I want to share my story so that others don’t have to go through the same thing. I was once told that I would never get rid of it. That I had to learn to live with stuttering. But […]

Femke Merel van Kooten

ambassador Femke Merel van Kooten Since 2020, Femke Merel has been an ambassador for the Del Ferro Institute. As a former MP, it is hard to imagine that she had a severe stuttering problem as a young girl. For years, she was unable to even pronounce her name, despite many years of speech language therapy. […]

Eva Wolf

psychosocial therapist and meditation teacher Eva Wolf Eva is the driving force behind Del Ferro’s unique approach to strengthening mental and emotional resilience. Her metaphor “The Flower” is not only a symbol of personal growth and flourishing, but also a powerful guide in life. In her 2022 personal book “The Flower,” she shares her profound […]

Patrick Wijdenes

stuttering specialist Patrick Wijdenes Patrick has worked for the Del Ferro Institute since 1994. He was introduced to the Del Ferro method as a boy of 13 and overcame his stuttering completely. His life goal is to help as many people as possible get rid of stuttering. He acts as a great role model for […]

Ingrid Del Ferro

director, stuttering & breathing specialist Ingrid Del Ferro Ingrid Del Ferro is a leading stuttering and breathing specialist, known for her pioneering breathing technique that is at the heart of the Del Ferro method. Together with her team, she helps hundreds of people worldwide every year to permanently resolve stuttering, hyperventilation, burn-out symptoms, lung covid […]