Boya Logic is led by Gerhardus (Gazza) Steyn — a Senior Mining Engineer and Scheduling Specialist with more than 30 years of underground and open-pit experience. Strong focus on practical technical solutions for automated planning and data management systems.
Boya Logic brings deep operational experience into independent consulting. Gazza has led end-to-end planning and scheduling for operators including BHP, Glencore, South32, Perilya and St Barbara, across gold, copper, base metals, manganese, bauxite and diamonds.
A particular strength is building practical technical solutions — automated planning workflows, data management systems, and reporting tools that reduce manual effort and improve decision quality on site.
Based in Broken Hill, Boya Logic supports mining companies that want clearer schedules, reliable systems, and decisions grounded in real operational constraints.
30+ years translating operational reality into robust planning systems, automated workflows and better decisions.
Short, medium and long-term schedules using Deswik (CAD, IS, SO, Sched), Datamine and Vulcan. Full model rebuilds, stope optimisation and integrated planning workflows.
Practical technical solutions for automated planning workflows, data management and integrated scheduling systems. Full model rebuilds and process redesign that reduce manual effort.
Advanced Excel automation and growing Power BI capability for daily operations, month-end reconciliations, dashboards and real-time management intelligence.
Constraint analysis, value-stream optimisation and continuous improvement that delivers sustained performance gains on operating sites.
Experience as Technical Services Superintendent, Production Superintendent and Acting Mine Manager. Managing teams up to 130 personnel while maintaining technical rigour.
Underground and open-pit planning across gold, copper, base metals, manganese, bauxite and diamonds for Tier 1 and Tier 2 operators.
Expert-level Deswik suite, Datamine Studio UG / EPS, Maptek Vulcan, and advanced Microsoft Excel. Focused on building usable, automated planning and data systems rather than models that sit unused.
Independent support focused on planning quality, automated systems, data management and operational outcomes.
Redevelopment of short- to long-term scheduling models, stope optimisation and resource reporting in Deswik, Datamine or Vulcan.
Design and implementation of practical automated planning workflows and data management solutions that integrate with Deswik, Datamine, Vulcan and Excel.
Custom Excel and Power BI solutions for daily operations, month-end leadership reporting, reconciliations and management dashboards.
Review and redesign of planning workflows, compliance systems and integrated planning processes.
Independent input on mine plans, schedules, forecasts and operational improvement initiatives.
Based in Broken Hill and available for consulting engagements across Australia. Reach out to discuss scheduling, reporting automation or operational improvement support.
gazzasteyn@gmail.comMobile: 0400 015 214
Also available via gazzasteyn.com.au