John Mac is a Director of Tax Technology Consulting with extensive experience in the tax and consulting sectors. They previously held the position of Director of Tax Technology at GSK from 2015 to 2021 and have held multiple roles at Deloitte, including Director of Tax Management Consulting from 2021 to 2023 and their current role as Director since 2025. Prior to this, John served as a Senior Manager in Indirect Tax Process and Technology at KPMG US from 2005 to 2015 and worked as a Senior Indirect Tax Manager at Maersk Line, Limited from 2023 to 2025.
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