Senior Management
The ATC Williams team comprises over 40 technical and support staff based in three offices in Australia and on site locations around the world. Our senior management team has, for the most part, been working with the company since we began operations as MPA Williams & Associates and Australian Tailings Consultants some 27 years ago.
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TREVOR OSBORNE – Chief Executive Officer/Principal Engineer Specialty: company leadership, project management, contract negotiation, business development, client relationships, geotechnical engineering and construction Experience: foundation design and construction, below ground construction, mine tailings management |
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KEITH SEDDON – Technical Director/Principal Engineer Specialty: planning, investigation, design, construction and surveillance of tailings and water dams, geotechnical engineering, hydrogeology Experience: thirty years in consulting, mining and civil projects, across Australia and in four continents |
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STEVEN MURPHY – Regional Manager East/Principal Engineer Specialty: business management (Australian operations), Victoria operations, tailings facility management, client relationships, consolidation modelling, geotechnics of soft soils, dam design Experience: over 27 years experience as a geotechnical engineer |
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JOHN WEMYSS – Principal Engineer Specialty: project management, business development, client relationships, contract negotiation, civil and structural engineering. Experience: water supply, water retaining structures, concrete and steel structures building design, road design, stormwater design, multi-disciplinary projects |
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JOHN LEAVY – Regional Manager West/Principal Engineering Geologist Specialty: Western Australian operations, civil geotechnical investigation & design, tailings management, geological mapping and risk assessment Experience: 25 years geotechnical investigation and design, tailings storage design, rockface and cave inspection. |














