Robert Warnke (Robert Warnke) - Vice-President of Sonnax. Robert's experience in the transmission business is truly impressive - more than 40 years, of which more than 20 years he worked in Sonnax. Many teaching as an instructor and technical trainer. One of the most prominent speakers at the seminars in the United States, Australia, and Europe. Most Sonnax development passed through his hands. Repeatedly speaking at seminars in Moscow.