RALEIGH-DURHAM, N.C.–(BUSINESS WIRE)–Avaya (NYSE:AVYA), a global leader in solutions to enhance and simplify communications and collaboration, today appointed John Youri as Senior Vice President of Strategy and Global Alliances. Youri will lead strategic relationships with key technology partners, to develop and implement fully integrated cloud-based solutions and capabilities that drive revenue growth for Avaya and its partners, and deliver increased value for customers. “Avaya’s ecosystem o