Meet the Group

We’re a business whose success is defined by its people and our company has been built by assembling talented teams of people who deliver great outcomes for our customers and their projects

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Ryan Macfarlane


Ryan has over 15 years’ experience in the business services and taxation industry. His strengths include advising companies from a diverse range of industries on all aspects including long and short term strategy, systems implementation, accounting, taxation and structuring.

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David Sapsworth

General Manager

David has 22 years’ experience encompassing corporate management, project management, design and maintenance in both mining project development and operational sites.

Specialising in Study Management, Project Development Management and Project Controls within the Minerals sector.

Project involvement: James Bay Lithium Mine feasibility study, Hounde, Mako, Sissingue and Karma Gold Projects, Simandou Process Plant cost study, Ahafo Project, Ghana development of 7.5Mtpa gold plant

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Peter Grigsby

Technical Manager

Peter has over 15 years’ extensive structural engineering experience and is an industry leader in efficient structural design.

Specialising in Structural engineering, Design Management and delivery, Design optimisation and innovation, Leader in Safety in Design

Project involvement: Pilbara Minerals – Pilgangoora Tantalum Lithium Project, Galaxy Resources Limited – Mount Cattlin Project, Bumi Suksesindo – Tujuh Bukit Heap Leach Project, Syama Mali Upgrade Works , FMG Kings Valley Belt Filter Spillage Recovery Project, FMG Solomon Workshop and Fuel Farms

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Ben Davies

Design Manager

Ben has brought with him over 12 years of extensive engineering experience specialising in design, construction and commissioning of plants locally and internationally. Ben has managed the design deliverables for a variety of projects whilst leading teams within the mechanical arm.

He specialises in process plants, estimating capital cost requirements, managing design engineering works, providing on-site engineering support, and commissioning plant and processes prior to final handover.

Projects: AngloGold Ashanti – Tropicana Non-process Infrastructure, APA – Yamarna Gas Metering Skids, BHP – Area C Non-process Infrastructure, Yandi Fuel Infrastructure, Citic Pacific – Tug fuel facility and operational projects, FMG – Solomon, Christmas Creek, Port Hedland and Cloudbreak Non-process Infrastructure, Galaxy Resources – Mt Cattlin lithium concentration plant, Global Advance Metals – Various tantalum project upgrades, Newcrest – various operational upgrades at Telfer Gold Mine, Quadrant Energy – Varanus Island Tank Refurbishment, West Angelas & Brockman Fuel Infrastructure Projects, Shark Bay Salt Feasibility

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Colette Kock

Process Manager

Colette has more than 20 years’ experience in operating, research, corporate and engineering in the minerals processing industry

She specializes in Process Team Lead, Study Management, Geometallurgical/Metallurgical testwork and interpretation, Mass and Energy balancing and flow sheet development, Process Plant Design

Project Involvement: Yukon Engineering Cost Estimate, Yendon High Purity Alumina PFS, Direct Nickel Process Engineering Cost Study, Mina de Cobre detailed design, King Island Scheelite APT Scoping Study, Gosowong Expansion project DFS/EPC, The Oaks Mine Red Area Upgrade Implementation, Cullinan Diamond Mine Caustic Plant Replacement Feasibility

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David Fielder

Engineering Manager

David has over 13 years’ experience In Design and Mechanical engineering.

He specialises in Design Management, Multi-discipline technical review and team leadership, Wet and dry plant layout for bulk, base and precious commodities

Projects: Alcoa Pinjarra Filtration Facility Project, Woodlawn Copper/Lead/Zinc project, BHPBIO Jimblebar Expansion Project, Alcoa Kwinana Filtration Facility, FMG Solomon B60 Project, Mungari Gold Project Kalgoorlie, UHG Coal Handling Plant Phase 1 Mongolia, Guelb Moghrein Tailings Regrind Upgrade Mauritania

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Frank Morellini

HSEQ Manager

Frank has over 20 years’ involvement in Health and its for the last 8 years he has been involved in Health and Safety directly. During this time he has amassed a very high level of understanding safety within the mining industry.

Frank’s role in health and safety is one of guidance and support both on and off site.

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Kevin Murray

Construction Manager

Kevin has over 20 years’ experience in construction and project management both domestically and internationally within the resource sector

He specialises in

Project involvement:

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Max Piirto

Business Development Manager

Max has over 10 years’ experience in the mining and resources sector. He specializes in maintenance, shutdown and infrastructure services and has held various Director and General Management level roles.

 Within Primero Max is responsible for all matters of Business Development and is both trade qualified and a graduate of the Australian Institute of Company Directors,

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Richard Stedman

Pre-Contracts Manager

Richard leads Primero’s tendering team and is responsible for Primero’s key Client relationships. He has over 20 years’ experience within the Mining and construction industry.

He is an experienced Project Manager and Business Development Manager focused on tendering, negotiating and delivering Non-Process Infrastructure projects. Richard has won and delivered non-process infrastructure projects for Rio Tinto, BHP Billiton, FMG and Roy Hill Iron Ore.

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Caryn Burggraaff

HR Manager

Caryn has 10 years extensive experience within the Human Resources and Industrial Relations disciplines both nationally and internationally focused on continuous improvement for the organisation.

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Aaron Huggett

Electrical Operations Manager

Aaron has 14 years’ experience within the Electrical & Instrumentation industry ranging from Project Engineering through to E&I Operations Management.

Specialising in Switchboards and Switchroom focused projects, general electrical installations, HV utilities and non-process infrastructure and project controls/management.

His project experience include: Tawana Bald Hill Lithium Mine, Pilgangoora Lithium Tantalite Project, FMG Kings Valley Project (Desands and Switchrooms Facilities)

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Damian Jones

Construction Manager

Damian has over 25 years’ experience in Construction and Project Management.

He specialises in Construction Management, Mechanical knowledge of heavy rotating equipment, servicing and installation, construct projects across minerals processing, power generation, gas metering & compression facilities & non-process infrastructure.

Projects: Tawana/AMAL – Bald Hill Lithium Plant, BHPBIO/Lend Lease Services – Pt Hedland Tug Infrastructure, FMG – Solomon HV Workshop, Chevron – Wheatstone DOMGAS Metering Station installation, TransAlta South Hedland Power Station, Dugald River Zinc Processing Plant, Degrussa Copper Gold Processing Plant, Barrick Gold Cyanide Upgrade

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Ben Grigsby

Drafting Office Manager

Ben has over 20 years’ experience within the engineering industry.

His diverse skill set covers project management, design coordination and drafting of mining, processing plants and iron ore both in Australia and overseas.

Has had direct involvement in : Tawana Bald Hill Lithium Mine, Pilgangoora Lithium Tantalite Project, Bumi Suksesindo – Tujuh Bukit Heap Leach Project

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Brad Triston

Hydrocarbon Manager

Brad has over 30 years international experience in management, engineering and defence. He has project managed multiple oil, gas and mining resource projects from concept through to operations handover with specialist experience in gas storage facilities and major gas processing plants.

He Specialises in Project Management and is a certified Project Management Professional (PMP), Risk Management, Hydrocarbon Project Delivery and Management, Business Development and Marketing,

Projects: Alcoa and Industrial Maintenance Programs & Woodside Karratha Gas Plant (KGP), Mondarra Gas Storage Facility, , APA – Yamarna Gas Metering Skids, Turee Creek Compressor Station, Windimurra Vanadium Gas and Electrical Facilities,

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Brian Zlnay

Project Manager

9 years’ experience as a mechanical engineer with a range of onsite and offsite experience in all sectors of the mining industry.

He specialises in Project Management, Structural Mechanical and Piping, Pressure vessel and tank design, Risk Management and Compliance, Forecasting Costing and Budget Control

Projects: Hope Downs 1 & 4 dewatering infrastructure, Cape Lambert Gas Pipeline and Station, Hope Downs 4 Fuel Infrastructure, Yandi Sustaining Project, Roy Hill Fuel and Lube Farms, Enerji Carnarvon Power Plant, Windimurra Vanadium Project, Karara Iron Ore Project, Browse LNG Feed

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Dhruv Patel

Project Manager

10 years’ experience in construction project delivery, project management and engineering both on and off site.

He specializes in Strong Leadership, Multi discipline Project Management, Scheduling, Engineering and Design Management

Project involvement: Pilbara Minerals – Pilgangoora Project, Subiaco Waste Water Treatment Plant Upgrade, BHP Mining Area C Water Treatment Plant, Yandi Sustaining Project, Mt. Weld Phase 2 Expansion, Hope Downs 4, Mine Buildings and Support Facilities

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Carlo Macchiusi

Project Manager

Carlo has over 25 years’ experience direct delivery contracting, EPC, construction, shutdown / TAR, operations and maintenance.

He specialises in Project Management, Commercial Management, Estimating and Project Development

Projects: Barker Inlet Power Station Adelaide, Tianqi Lithium Hydroxide Processing Plant, Ichthys Onshore LNG Facility,  BHPB Jimblebar Ore Processing Facility, ERP SAP implementation – Project Catalyst, Alcan Gove Operations Continuous Improvement Program

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Ray Laity

Project Manager

Ray has over 20 years’ experience in Project Management and Mechanical Engineering

Specializing in Civil, Waste Water and infrastructure project management, HDPE and HDPE lined steel piping.

Project involvement: Marandoo Waste Fines Distribution Pipeline, RTIO Oxbow Bore Fields Project, RTIO Mesa J HDPE lined steel TSF pipeline project, FMG Flinders 12 Dewatering Project

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Glen Ercegovich

Procurement Manager

Glen has over 10 years’ experience in procurement and contracts administrative within the Engineering/Construction sector

He specializes in procurement and sub-contractor management including managing the Purchasing cycle consisting of cost control of procurement budget for each project

Direct involvement in all Primero projects

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Ned Hambling

Principal Mechanical Engineer

Ned has over 14 years’ experience in the minerals processing industry

He specializes in Mechanical and piping design calculations and report preparation, Mechanical design engineering, plant design drawings and equipment technical specifications and recommendation.

Project involvement: Primero Projects XXXX  Milling and Gravity Gold Recovery for 25 MTPA copper concentrator Kananshi S3 Expansion Project Zambia,  Obuasi South Treatment Plant Makeover Project,

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Chris Reeves

Principal Electrical Engineer

Chris has over 15 years’ experience electrical, instrumentation and controls engineering. He has worked across the globe in design, construction as well as commissioning of industrial electrical installations with majority of his experience in the mining and resource industry.

He specialises in power generation and high voltage infrastructure, HV and LV Electrical Design, Instrumentation and Control System Design, SCADA Programming

Projects: Tawana HMS Spodumene Plant, Tujuh Bukit Gold Project Ore Processing Plant, Solomon Workshop and Fuel Facilities, Cloudbreak Apron Feeder Improvements, BHP 66/132kV HV Augmentation and Alinta Bypass Projects, Kinsevere Phase II Copper Solvent Extraction Plant Expansion DRC,

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Tom Walker

Principal Electrical Engineer

Tom has over 10 years’ experience in electrical engineering design and construction

He specializes in HV & LV Electrical Design, Power System Analysis, Database Centric Design, Earthing Design, Hazardous Area Equipment Database Development and Population

Project Involvement: Tawana Bald Hill Lithium Project, APA Yamarna Metering and Delivery Stations Skids Package, GE/RTIO Cape Lambert Power Station LV PCM Modifications, Chevron Wheatstone Upstream Project, Exxonmobil Hebron project, Woodside Pluto LNG Project, Transfield Worley Brownfields Projects, Dampier to Bunbury Natural Gas Pipeline Stage 5A & 5A-2 Expansions

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Simon O'leary

Principal Process Engineer

Simon has over 20 years’ experience in the minerals processing sector through a combination of site operational & technical support, engineering, technical product support and collaborative research and development.

He specializes in Process Development, Circuit design and optimisation, Analysis and Performance Monitoring, Metallurgical Testwork, Engineering Design and Feasibility studies, Process and Project Opex Estimating

Project involvement: Pilbara Minerals Pilgangoora Lithium, Galaxy Resources James Bay Lithium Mine Feasibility Study, BALD HILL LITHIUM MINE AND NPI PROJECT, Sandfire Resources Degrussa Copper Mine, Crosslands Resources Jack Hills Expansion Project, BHP Billiton Kwinana Nickel Refinery, Kidman Resources Mt Holland Project

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Brett Crossley

Principal Process Engineer

Brett has 32 years’ experience in process and engineering design, predominantly in complex hydrometallurgical base metals applications

He specializes in Process Design, Development of hydrometallurgical process plant flow sheets, Metallurgical testwork design and interpretation, Comminution, Heap Leaching, Autoclave processing and Gold processing (CIP, Merrill Crowe, Flotation, Roasting)

Project involvement: Galaxy Lithium – 2mtpa upgrade, North American Lithium – process scoping review, Merdeka Copper/Gold – 6mtpa upgrade, Poseidon Nickel Ltd Lithium Development Project, Kanowna Belle Gold Project, Nickel Laterite Bankable Feasibility Project,

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Shawn Trewitt

Lead Process Engineer

Shawn has over 15 years’ experience in Process Engineering and detailed design in both onshore and offshore oil and gas facitlites along with extensive detailed design experience of fuel and oil facilities for mine sites.

He specialises in Process Design, Process Flow Diagrams and Piping & Instrumentation Diagrams, Process Calculations and datasheets, Equipment specification and selection, HAZOP Preparation

Projects: West Angelas Fuel Hub, HD4 Construction & Commissioning Lube Oil, Diesel Fuel & Ammonium Nitrate Emulsion Facilities, Dalby/Euroa Compressor Stations Detailed Design, Vermillion Oil & Gas (Wandoo B), Paraburdoo Design Modification, Bayu Undan Gas Recycle Project, Lakshmi Field Phase-1Project


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Brett Shortill

Lead Mechanical Engineer

Brett has 10 years’ experience in mechanical engineering and has had extensive exposure to design, commissioning, operations and maintenance of major processing projects in Australia with experience in a range of commodities, in dry plant and wet plant facilities.

He specializes in Design Management, Mechanical plant design drawings, equipment technical specifications and recommendations.

Project involvement: Tawana Resources Bald Hill Lithium Concentrator, BSI, Tujuh Bukit Gold Mine – Cement storage facility expansion, -Galaxy Resources, Mt Cattlin Lithium Concentrator, – MMG, Dugald River Project –crushing, reclaim & grinding circuits detailed design, Emed, Rio Tinto Phase 2 & 3 Upgrade – Scoping study, Sandfire Resources – Degrussa Paste Plant

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David Landwher

Lead Mechanical Engineer

David has over 25 years’ experience in mechanical engineering with broad knowledge in the mining, engineering and fabrication industries with first class analytical, communication and problem-solving skills.

He specialises in Design Management, Process Improvement, Maintenance Engineering, Ball Mill, Sag Mills and Crushers, Asset Management and Continuous Improvement.

Projects: Nova Nickel plant optimization project suite, Resolute Mining Hydrogen Peroxide Storage Facilities, Resolute Mining operational project support

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Jamie Beresford

Lead Process Engineer

Jamie has 30 years metallurgical process experience in operations, technical development and project design, engineering and commissioning with operations experience in the gold, copper and nickel commodities and extensive engineering experience in the gold, copper, silver, lead, zinc, nickel and iron ore industries.

He specialises in mineral processing, covering comminution, beneficiation, flotation, thickening and filtration, pressure oxidation and leaching, roasting, carbon-in-pulp and gravity separation, as well as nickel-laterite and copper-gold hydrometallurgy.

Projects: Galaxy Resources, James Bay Feasibility Study, Pilbara Minerals, Pilgangoora Lithium Concentrator, Tawana Resources, Bald Hill Lithium Concentrator, AngloGold Ashanti, Tropicana, Gold & Minerals, Jabil Qutman Gold Project, Sandfire Resources, DeGrussa Paste Plant Upgrade, Ord River Resources – Concept study for the Plutonic Dome Gold Project, Tanami Gold NL, Red Mountain Mining – Scoping study for the Batangas Gold Project Philippines, Coyote Gold Project – Crushing and Screening Circuit Upgrade

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Michael Ehlers

Lead Structural Engineer

Michael has 6 years’ Structural Engineering experience all gained at Primero since receiving his Bachelor of Engineering (Civil and Construction) Honours Degree.

Specialising in civil and structural design and advanced use of analysis software.

Project involvement: Tawana Bald Hill Lithium Mine Early Works, Solomon Workshop and Diesel Fuel Facilities, Tujuh Bukit Heap Leach Gold Ore Preparation Plant, Windimurra Vanadium Plant

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Adam Gryl

Lead Mechanical Engineer

Adam has over 15 years’ of mechanical engineering experience globally.

Specialising in inception and layout of facilities from comminution, flotation, hydrometallurgical and filtration processes.

Project involvement: Pilgangoora Lithium Tantalite Project, Marandoo Waste Fines Pipeline, Mina De Cobre 74 MTPA copper plant in Panama, Kansanshi S3 Expansion 25 MTPA copper plant in Zambia, Bissa Gold Project 3 MTPA gold plant, Re-design and Restart of the Ravensthorpe Nickel project.

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Hamish Smith

Business Development
( hydrocarbons )

Hamish has over 40 years’ experience in Project and Construction Management for EPC projects throughout the Oil & Gas, Mining and Infrastructure industries both in Australia and overseas

He specializes in Engineering and Project Management, Tank Design Management Construction and Repair, Business Development Hydrocarbons, Potable and Service Water Infrastructure Management, Feasibility Study Management

Project Involvement: Quadrant Energy Varanus Island B Tank Modifications, Ungani Oilfield Development, North Parkes Copper Mine and sinter material – Port Kembla Iron Works, Shell International – Geelong Refinery, Petroleum Development Oman