Marco Donkersloot is a seasoned professional with extensive experience in network design and VoIP/telecom specialization. Currently serving as a Senior Voice Designer at Shell since February 2021, Marco also owns Unified Networks, where Marco has worked as a Senior Network & (Avaya) VoIP / Telecom Specialist since December 2009. Previous roles include Network Designer/Architect at AT&T from January 2012 to December 2020, Avaya (Service) Engineer at Newtel Essence, and Senior Network & Cisco VoIP Specialist at both Capgemini and Ministerie van LNV. Marco has a strong background in managing international networks, implementations, and migrations, with notable projects involving Avaya VoIP systems and Cisco network components across various organizations.
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