Please see our recent long-distance client Cedric H. (from Paris, Nice & Monaco), 38 years old. Cedric had suffered from Sulcus Vocalis for 3 years, as nobody was able to rectify it. That definitely affected his business, as he lost confidence in presentations and never knew when his voice was going to disappear. Here is his testimonial after he had undergone a 40-hour course and treatment which had been delivered to him over 10 consecutive days.
Read more of his story here:
https://vocalscience.blogspot.com/2023/10/case-study-of-our-recent-international.html