OUR PEOPLE

ROY HAMILTON
Managing Director
Roy has over 35 years of experience in the Civil Engineering industry in New Zealand, including engineering design (civil and structural), subdivision design, development, and project and contract management. He has also since 2009 been the owner and manager of several high-growth engineering and construction companies.
Areas of Expertise
- Business Management and Strategic Planning
- Client Relationship Management
- Development Management
- Contract Management and Project Management
- Land and Subdivision Development and Planning
- Financial Analysis and Feasibility Studies
Contact Details
Phone: 021 968 613
Email: roy@procerto.co.nz

FRANK CHEN
Civil/Three Waters Design Manager
Frank has over 20 years’ experience in Infrastructure and Water industry in New Zealand, including engineering design, asset management, project management, and contract management. He is a Chartered Professional Engineer (CPEng) and is specialized in three waters and flood management.
Areas of Expertise
- Strategic Asset Planning and Assessment
- Three Waters Reticulation and Pipeline Design
- Stormwater Design and Flood Hazard/Risk Assessment
- Hydrological Analysis and Hydraulic Flood Modelling
- Water Supply Assessment/Three Water Reforms
- Development Engineering
Contact Details
Phone: 021 714 308
Email: frank@procerto.co.nz

JEREMY STOCKDILL
Licensed Surveyor
Jeremy has over 10 years’ experience in the
Surveying industry in New Zealand. He is a Licensed Cadastral Surveyor with experience in topographic surveys, rural and urban cadastral surveys, civil construction surveying, building setout, subdivision planning, resource consent applications and project management.
Areas of Expertise
- Land Surveying
- Civil Construction Surveying
- Precise Construction Surveying
- Property Title Advice
- Subdivision Advice
- Resource Management/Planning
Contact Details
Phone: 021 847 329
Email: jeremy@procerto.co.nz

HARRY ZHANG
Structural Design Manager
Harry Zhang is a Chartered Professional Engineer with over 15 years’ experience in structural engineering services in New Zealand including structural design, construction monitoring, seismic assessments, project management and contract management for residential, commercial and industrial buildings.
Areas of Expertise
- Residential structural design
- Industrial buildings including warehouse and industrial plants
- Low to medium rise commercial buildings
- Detailed seismic assessments and seismic strengthening
- Retaining structures
- Project management
Contact Details
Phone: 021 259 8961
Email: harry@procerto.co.nz

BRUNO SEVIGNY
Senior Civil Engineer
Bruno has over 10 years’ experience in the Civil Engineering industry across Canada and New Zealand. His career includes working for contractors and consulting engineering firms on residential, commercial, industrial, roading, heavy civil and mining projects.
Areas of Expertise
- Civil Engineering/Three Waters
- Hydrological Analysis and Hydraulic Flood Modelling
- Roading/Pavement and Earthworks Design
- Civil 3D Modelling and Drafting
- Contract Management and Project Management
- Construction Monitoring and Project Engineering

PREET SINGH
CIVIL ENGINEER
Preet has over 6 years’ experience in the Civil Engineering industry across New Zealand. His career includes working for consulting engineering firms and Local Councils on residential, commercial projects.
Areas of Expertise
- Civil Engineering/Three Waters
- Hydrological Analysis and Hydraulic Flood Modelling
- Roading/Pavement and Earthworks Design
- Civil Drafting and 12D Modelling
- Flood Mitigation Design
- Stormwater Attenuation Design

ALICE CHEN
Civil/Structural Engineer
Alice has over 5 years of experience in the Structure and Civil Engineering industry in New Zealand, including project management, and civil and structural engineering design.
Areas of Expertise
- Project Management
- Structural Engineering Design
- Building Assessment (seismic, fire, structural)
- Foundation and Retaining Wall Design
- Civil Engineering Design (roading and three waters reticulation)

SARANYA DURAISAMY
Structure Engineer/Project Manager
Saranya has over 3 years of experience in Structural Engineering industry in New Zealand, including detailed design, Revit modelling and drafting, project management, BIM360 Management.
Areas of Expertise
- Project Management
- Structural Engineering Design
- Foundation and Retaining Wall Design
- Site Investigation and Geotechnical Reports
- Revit 3D Modelling and Drafting
- BIM360 Management

STEPHANIE LI
Civil/Structural Engineer
Stephanie has various work experience in Civil and Structural Engineering industry in New Zealand, including engineering design, site investigation, Civil 3D modelling and drafting.
Areas of Expertise
- Civil Engineering Design
- Structural Engineering Design
- Civil 3D Modelling and Drafting
- Foundation and Retaining Wall Design
- Site Investigation and Geotechnical Reports
- Revit 3D Modelling and Drafting

ELVIN LI
Graduate Engineer
Elvin has a local engineering qualification, and he has work experience in the Structural Engineering industry in New Zealand, including detailed structural design, Revit modelling & drafting, on-site investigation and monitoring.
Areas of Expertise
- Structural Engineering Design
- Foundation Design
- Site Investigation and Geotechnical Reports
- Excavation, Foundation and Structural Framing Inspection
- Revit 3D Modelling and Drafting

JEROME ANDRADA
Engineering Drafting
Jerome has diverse design and planning experience on architectural and interior projects of different scope and magnitude. He has extensive knowledge in 3D Visualization and animation presentation.
Areas of Expertise
- Revit 3D Modelling and AutoCAD Drafting
- 3D Visualization
- Architectural Drafting
- Graphic Design

JITENDER BISHNOI
Engineering Drafting Technician
Jitender has over 3 years of experience in Structural Engineering industry in New Zealand and India, including site engineer and drafting in different software’s such as Revit, AutoCAD, Sap2000, Etabs, BIM 360.
Areas of Expertise
- Detailed Drafting for Super Tees and Unispan
- Revit 3D Modelling and AutoCAD Drafting
- Site Investigation and Testing
- 2D Modelling for Swimming Pools

HUNTER CRAMOND
Civil Engineering/Survey Technician
Hunter has work experience in Surveying, Three Waters Infrastructure, and Construction industry in New Zealand, and he is currently studying towards Civil Engineering.
Areas of Expertise
- Civil Construction and Land Surveying
- 12D and AutoCAD Drafting
- Drainage and pipeline Construction
- Water/Wastewater Treatment Plant Operating
- Three Waters Asset Renewal/Repair
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