Tranzeo Wireless Technologies Inc. has named Christoph Lingenthal to its board of directors. Lingenthal, a consultant for the telecoms division of Ernst & Young and for Canadian-based Wavesat Inc., is also an operating partner at Advent International, one of the world’s largest and most experienced private equity firms. Previously, Lingenthal was the senior VP at Siemens Mobile and key account manager for the Vodafone Group based in England.