Ralf Siefen founded the company proRZ Rechenzentrumsbau in 2005, which is now a division of the DATA CENTER GROUP. During his professional career with the company Lampertz, he acquired a high level of competence and expertise in the planning and realization of data centres. For more than 12 years, he was responsible for the national and international project management as member of the executive board.
Then and now, his great passion is the design of future-proof, efficient, high-quality and secure data centres for small, medium-sized and big companies. As managing director, he is focussing on the technology, further development of the solution portfolio and the sales.
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