Aug 3 (Reuters) - Sprint Corp S.N :
* Strengthens senior leadership team
* Says CFO Joseph Euteneuer Resigned
* Says Tarek Robbiati named Chief Financial Officer
* Says John Saw promoted to Chief Technology Officer
* Says GüNther Ottendorfer appointed Chief Operating Officer, technology
* Says Robbiati most recently was managing director and chief executive officer
at FlexiGroup Ltd
* Source text for Eikon ID:nBwbWWY4Pa
* Further company coverage S.N