Messaging app Viber names mobile ad vet Djamel Agaoua as new CEO

[ad_1] While messaging app watchers are waiting for Snap Inc. to announce its IPO, another app has appointed a new CEO. Viber — the messaging app that was acquired by Rakuten in 2014 — has announced Djamel Agaoua as its new CEO. This is significant because Viber — which has had a promising 800 million downloads but has seen…