Gillian Castle

Managing Director, Global Finance Operations

Gillian Castle is a Managing Director of Finance Operations with extensive experience in management and technology consulting, particularly within the Sales to Cash cycle. Currently, Gillian oversees Engagement Finance Operations and International Cross-Border Support at Slalom, where they drive business process modernization and efficiency. Previously, Gillian held senior finance roles at Microsoft and Slalom Consulting, demonstrating a strong record in finance transformation and strategic planning. Gillian earned a Bachelor of Arts in Cultural Anthropology and a Certificate in Accounting from the University of Washington.

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United States

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