Ge'ard Depardieu, the French actor of cinema and theatre(Green card) says in his biography: Jean-Laurent Cochet opened for me the craft of acting, and Alfred Tomatis opened me up to language. Before Tomatis, I could not complete any of my sentences. It was he who helped give continuity to my thoughts, and it was he who gave me the power to synthesise and understand what I was thinking.We were lucky with G'ard, Tomatis says. As we re-established his proper ear and as we liberated his mental energy, the improvement was stark; he refound his voice and his memory.

Sting, a former member of The Police, now world renowned as a solo performer.
Struck by the same loss as Beethoven and Caruso, Sting visited Tomatis on a regular basis in Paris to improve the deficiencies of his eardrums, caused by the level of noise on stage and his recordings, which is not unusual within the world of musicians.ﾒBefore meeting Tomatis, said Sting, I visited many American specialists who told me that I wasn't lucky, however I had earned a fortune and had great success in my career so I should accept the way things were.
Fortunately Sting did not hear their advice!

Eurocopter, one of the largest helicopter manufacturing companies in the world, uses the Tomatis Method to reduce training costs by decreasing time to achieve proficiency. They discovered that employees could save 180 (out of 700) hours of training, on average, by starting with the Tomatis listening training. Of those who did the training, 88% said it was either effective or very effective. None found it ineffective.

"I was failing Spanish at the US Military Defense Language Lab. After doing the Tomatis Method I passed the listening part of the test, moved from the bottom third to the top third of my class, and could hear the sounds that had been undistinguishable before. This program has helped me move ahead in my career. I'm no longer stuck."
Translator for the U.S. Government