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John Mazengarb

B Com, FGIA, FCIS


John has 30+ years consulting experience with PwC, IBM, Litmus Group and as an independent advisor, assisting public and private sector organisations in Tasmania, interstate and overseas. In 2015 he co-founded GSD Advisors Pty Ltd alongside his wife, Kerrie. He has also held several contract senior executive roles in Tasmanian Government businesses overseeing planning and delivery of major business transformation projects.

John has extensive project delivery experience from small to large projects, geographically and culturally diverse teams, strategy development, and business case and requirements definition through to systems design, delivery and operation with an ability to engage stakeholders at all levels.


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Level 3, 111 Macquarie St
Hobart TAS 7000
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GSD acknowledges the palawa (Tasmanian Aboriginal community) as the original owners and custodians of lutruwita (Tasmania). We acknowledge the palawa have maintained their spiritual and cultural connection to the land and water, and we pay respect to Elders past and present.
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