Deutsche Telekom Peoplewatch: Greek tech chief switches to lead B2B

dtw157_peoplewatch1

Source: OTE

September 2026 update: A roundup of senior people movement in and around DT, including B2B leadership changes at Greece’s OTE Group, with CTIO Yannis Vitzilaios switching across to lead Business Segment; and at DTCP, with the appointment of private equity and defencetech experts to lead the investor’s new security and resilience fund.

This article includes:

  • Organisations: Bertel O. Steen Defence & Security; Cornami; Danica; Deutsche Telekom; Deutsche Telekom Services Europe; Digital Transformation Capital Partners; DTCP Defence; EIFO; EQT; FLIR Systems; Goldman Sachs; Hrvatski Telekom; Incharge Capital Partners; Intracom Defense; ITENOS; Lakestar; LiveOak Fiber; Lumos; Maximum Effort Marketing; Mint Mobile; MNTN; OTE Group; Porsche; Prox Dynamics; SmartCap; Sprint; Teledyne FLIR; Telekom Deutschland; T-Mobile; T-Mobile US.
  • Geographies: Croatia; Denmark; Estonia; Europe; Germany; Greece; United States of America (USA).
  • People: Brian Stading; Diego Perez-Tenessa; Dirk Edingloh; Georgia Watson; Ivana Beli; Jan Geldmacher; Kostas Nebis; Lars Neumann; Lykourgos Antonopoulos; Mark Douglas; Michael Tsamaz; Mike Katz; Nils Kempgen; Nils Peters; Ole Aguirre; Ryan Reynolds; Sabine Kowoll; Yannis Vitzilaios.
  • Themes: accounting; advertising; artificial intelligence; broadband; cloud services; connected television; customer acquisition; customer journeys; defence technology; digital marketing; digital services; eSIM; fibre broadband; growth equity; human resources; information and communications technology services; international roaming; investment funds; investment management; military drones; performance marketing; private equity; procurement; revenue assurance; roaming discounts; security technology; shared services; small and medium-sized businesses; space technology; strategic investments; technology start-ups; thermal imaging; T-Cloud; T-Travel; T-Wholesale; Un-carrier strategy; venture capital.

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