Stonemtg

Stone Initiatives - Stone Testing & Project Finishes Evaluation
+61 (08) 8391 6844
Mon–Fri, 9AM–5PM

Meet our key personnel

James (Jim) Mann

Founder (now retired)

Jim Mann is the founder of Stone Initiatives. He started the company in 2003, guiding its growth and development into a leading international dimension stone and materials testing company. Jim was the principal and chief consultant of Stone Initiatives for more than 21 years, before retiring in January 2025.

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Kate Tonkin

Co-director Materials Testing Specialist – Finishes Evaluation Services

Kate Tonkin oversees the Surface Finish Evaluation department, encompassing slip-resistance, accelerated wear, stain-resistance and sealer selection. She is motivated by seeing how the effective use of dimension stone contributes to outstanding building projects.

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Mark Milevski

Co-director Materials Testing Specialist – Heritage Services

Mark Milevski is a geomaterials scientist with an interest in heritage and conservation. He has a Bachelor of Science (Geology, Geophysics and Applied Geology) from the University of Adelaide and a Certificate II in Construction.

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Thomas (Tom) Baggs

Co-director Scientific Officer – Finishes Evaluation Services

Thomas (Tom) Baggs is a geomaterials scientist with an interest in petrology and petrography, involving the detailed study of the composition and structure of rocks. He has a Bachelor of Science (Mineral Geoscience) with First Class Honours from the University of Adelaide.

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