Maaria O'Brien is a seasoned professional with extensive experience in client management and account management. Currently serving as a Senior Client Manager at NTT Ltd. since September 2021, Maaria previously held the position of Senior Key Account Manager at Sunrise Communications AG from 2000 until March 2020. Maaria's educational background includes studies at Hotelfachschule Zürich and completion of a degree in Marketing Planning from NBW Betriebstwirtschaftliche Weiterbildung.
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