Our team.
Jiri Herza - Director and Principal Consultant
James Thorp - Director and Principal Consultant
James Thorp - Director and Principal Consultant
Jiri is a civil engineer with over 22 years of international experience in various areas of dams, tailings, hydropower, mine waste and geotechnical engineering, providing leadership in all aspects of dam engineering.
Jiri has completed design and review projects in Africa, Asia, Australia, Europe and South America. Jiri is also an independent reviewer and auditor of mining projects.
Jiri is based in Perth, Western Australia.
James Thorp - Director and Principal Consultant
James Thorp - Director and Principal Consultant
James Thorp - Director and Principal Consultant
James is a civil engineer with over 17 years of experience in investigation, design, project management and construction management of water and tailings dam projects.
James has been an independent review team member and carried out a number of reviews and audits of tailings storage facilities in Western Australia and Indonesia.
James is based in Hobart, Tasmania.
Ryan Singh - Director and Senior Consultant
James Thorp - Director and Principal Consultant
Ryan Singh - Director and Senior Consultant
Ryan is a civil engineer specializing in tailings and water dams with over 13 years of experience in consultancy and working for asset owners, with project experience in Australia, Africa, Europe and Asia.
Ryan has been responsible for the successful delivery of many projects including long-term planning through to concept and detailed design and onsite construction support.
Ryan is based in Perth, Western Australia.
Monika Herza - Office Manager
Samantha Wongsodihardjo - Junior Consultant
Ryan Singh - Director and Senior Consultant
Monika manages the HATS Perth office, has a Masters of Economics and several years of experience in business management.
Monika is the accounts and finance manager and assists with running the day-to-day operations of HATS.
Monika is based in Perth, Western Australia.
Samantha Wongsodihardjo - Junior Consultant
Samantha Wongsodihardjo - Junior Consultant
Samantha Wongsodihardjo - Junior Consultant
Sam is a Junior Consultant with experience applying data analytics to dam engineering and tailings storage facility monitoring.
At HATS Consulting, she develops Power BI dashboards and automates data workflows using the Microsoft Power Platform to support efficient monitoring and reporting. Sam also contributes to instrumentation reviews, civil modelling, and drafting, combining technical data skills with practical engineering applications.
Samantha is based in Perth, Western Australia.
Patrick Kodrat - Graduate Consultant
Samantha Wongsodihardjo - Junior Consultant
Samantha Wongsodihardjo - Junior Consultant
Patrick is a Graduate Consultant with a Master of Data Science and Bachelor of Science.
Patrick has a strong foundation in computer science, mathematics, and statistics, and applies Python, SQL, and Power BI to deliver data-driven insights that support decision-making in the energy and resources sectors. Patrick is proficient across a broad range of programming languages and is fluent in multiple languages.
Patrick is based in Perth, Western Australia.
Our trusted partners.
Surface and groundwater
Geochemistry and Environment
Processing and Mechanical
AQ2 is a water management consultancy providing solutions for groundwater and surface water management. AQ2's team possesses deep experience and expertise in hydrogeology, modelling, and hydrology.
Processing and Mechanical
Geochemistry and Environment
Processing and Mechanical
JMD has significant experience in delivering process plant design and plant upgrade solutions across a wide range of minerals and commodities. The design of pump and piping circuits is a core capability of JMD.
Geochemistry and Environment
Geochemistry and Environment
Geochemistry and Environment
MBS has provided environmental consulting expertise for over 40 years utilising a talented team of geochemists, environmental engineers and geoscientists for a range of services.