NFON AG announced appointment of Dr. Klaus von Rottkay is taking up his position as Chief Executive Officer. Dr. Klaus von Rottkay holds a Ph.D. in physics and was Associated Principal at McKinsey from 1999 to 2005. In 2006, he joined Microsoft Germany, where he was initially responsible for the Server & Tools Business Group and then headed Enterprise Solution Sales. In 2011, Dr. Klaus von Rottkay moved to Microsoft's Danish subsidiary as COO/CMO until 2013, when he took over the Marketing and Operations departments in the same position on the Management Board of Microsoft Germany. He joined PlanetHome Group as its CEO in 2017. As an M&A consultant, Dr. Klaus von Rottkay was also involved in many pre- and post-merger projects.