Klaus studied sport sciences, with a major in high performance sports and rehabilitation, in Berlin. He has trained young athletes of the Land North Rhine-Westphalia for years. For over 10 years, he has taken part in decathlon competitions and worked as a personal trainer. In 2010 he co-funded, together with 2 more partners, the successful fitness center “Trainingslager GbR” and has set the “Kraftwerk” up in order to fill up the offer gap in rehabilitation and prevention. Klaus speaks German, Spanish and English.