1&1 Telecommunication SE employs 1,306 employees. The 1&1 Telecommunication SE management team includes Michael Martin (CEO 1 and 1 Mobilfunk GmbH and Vorstandsmitglied bei 1 and 1 Telecommunication SE), Robin Harries (Geschäftsführer, Chief Sales Officer (online & offline)), and Sascha D'Avis (Managing Director Finance and CFO).
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