Alexander is a high-performance coach and one of the most successful hypnotists in Europe. His book "Mit dem Elefant durch die Wand" became a Spiegel bestseller a week after its publication. His TV show "Alexander Hartmann - Reality Hacker" (A&E) has been broadcast in 14 countries.

Known as an expert from numerous television programs on RTL, Pro7, VOX, Sat1 and ZDF, he is also in great demand internationally as a speaker and seminar leader on the topics of motivation, self-efficacy and communication. 

In the last 7 years Alexander has trained over 6,000 hypnosis coaches.