Tech Moves: Accedian Hires Ex-Viavi Dion Joannou as COO; Syntonic Appoints AT&T, Sprint Exec as Chairman

Tech Moves: Accedian Hires Ex-Viavi Dion Joannou as COO; Syntonic Appoints AT&T, Sprint Exec as Chairman Image Credit: Syntonic

Network performance assurance firm, Accedian on Thursday announced the appointment of Dion Joannou as its new COO.

In his new role, Joannou will oversee Accedian’s global sales,  business development, marketing, and operations. His appointment comes as Accedian continues to expand its market share worldwide and win international Tier 1 network service providers.

Dion joins Accedian from Viavi Solutions (formerly JDSU), where he spent two years as Senior Vice President of Sales for its Network Service Enablement (NSE) unit. His industry experience also includes 14 years at Nortel Networks, where he held several high-level leadership positions in its IP and Wireless businesses in Europe, central and Latin America. Dion also served as Nortel’s Chief Strategy Officer, and was President of its North American operations for two years.  

Seattle-based sponsored data firm, Syntonic announced the appointment of former Sprint and AT&T senior executive, Steve Elfman, as the new Chairman of the Board amid accelerated customer growth, rapid product innovation and ongoing global expansion. 

Along with this cornerstone appointment, Syntonic has also rounded out its board of directors with the addition of a Sydney-based leader in emerging technologies, Nigel Hennessy, to drive Asia-Pacific capital market awareness and to support the company’s regional expansion.

Ray is a news editor at The Fast Mode, bringing with him more than 10 years of experience in the wireless industry.

For tips and feedback, email Ray at ray.sharma(at), or reach him on LinkedIn @raysharma10, Facebook @1RaySharma


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