Mark Collett is a Senior Executive Leader in Telecommunications and ICT, currently serving as Head of Group Technology Operations at NEXTDC since 2025. With over 25 years of experience, Mark has held significant roles including AVP Implementation & Optimization at AT&T and Director of Customer Services and Operations at SITA. Mark has a proven track record in managing complex delivery and operations in mission-critical environments, focusing on customer experience and transformational leadership. Previously, Mark has worked with various organizations, including Convergys, Nortel Networks, and Maxis, contributing to the success of executive customer-facing teams.
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