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Architects from our Consulting team

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Graham Cropley

Global Head of Consulting

Graham is the Global Head of Consulting at LoopUp, with 18 years of experience helping global enterprises transform their communications. He specializes in Microsoft voice solutions, guiding customers through complex telephony migrations and modern workplace strategies. From assessing readiness and ROI to designing scalable deployment methodologies, Graham leads high-impact engagements that unlock the full potential of Microsoft Teams for some of the world’s most recognized brands.

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Zach Bennett

Microsoft Teams MVP & Principal Architect

Zach is a Principal Architect at LoopUp and a Microsoft Teams MVP, recognized for his deep expertise in Microsoft voice solutions. With 10 years of experience in the Microsoft UC space, he leads global Teams Phone deployments—from initial strategy and proof-of-concept through to multi-site rollouts. Zach also advises organizations on maximizing their Microsoft licensing, including security and modern workplace capabilities. His certifications and hands-on experience make him a trusted expert in Microsoft Teams Voice, workplace transformation, and enterprise security.

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Karl Smith

Solutions Architect

Karl is a Solutions Architect at LoopUp with 10 years of experience delivering Microsoft voice and collaboration solutions. With a background in both engineering and consulting, he bridges technical strategy and practical execution—helping organizations design and deploy Teams Phone solutions that are scalable and future-ready. Karl has led numerous migrations from legacy UC platforms, architected cloud-based infrastructures in Azure, and facilitated Microsoft workshops focused on change management, configuration, and adoption. His expertise spans Microsoft Teams Voice, Azure, and modern workplace strategy.

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Leigh Henderson

Director of Consulting

Leigh is a Director of Consulting at LoopUp, bringing two decades of experience in enterprise voice and collaboration. With a strong foundation in telephony and contact center solutions, Leigh has spent the last several years helping organizations modernize with Microsoft Teams. He’s played a key role in strategic voice transformations for sectors ranging from finance and telecoms to education and government, delivering multi-site integrations, guiding change management, and maximizing ROI. Leigh is also a certified change manager with deep expertise in Microsoft 365 and modern workplace strategy.

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