Exclusive: Vodafone group director of IoT Ivo Rook leaves company

James Pearce
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Rook's predecessor Erik Brenneis will take over the firm's IoT operations on an interim basis

Vodafone’s group director of Iot Ivo Rook has left the company, with former head of M2M Erik Brenneis stepping in to fulfil his obligations, GTB can exclusively reveal.

Rook first joined Vodafone from BT in 2010 as director of global enterprise in Germany and Central Europe. He then became global enterprise director for Northern Europe, before taking over the UK-based operator’s internet of things division in October.

Rook has also previously held roles with T-Systems in Germany and various divisions of KPN.

According to Vodafone sources, he has left the company to join another, unnamed IoT firm. He will be replaced on an interim basis by Vodafone’s CEO of global enterprise Erik Brenneis.

Brenneis previously served as director of Vodafone IoT, where he was responsible for driving the firm’s growth in the IoT market. He joined Vodafone group in 2009 from Cinterion, where he was CSO. He has also held senior roles at Siemens and Landis+Gyr.

Brenneis oversaw the acquisition of Italian automotive firm COBRA, and the transition of Vodafone’s division from machine-to-machine into the wider IoT market.

Vodafone confirmed that Rook is leaving the business, effective immediately.