top of page

Our Team

Re-Generate has over 40 team members, principally mechanical engineers but we also have in-house electrical engineering and site fitting/service staff. Our team is widely experienced in specialist maintenance & services, operations, asset management and leading industry Health and Safety systems. Our staff combine many decades of experience across a range of industries including Hydro & Wind Generation, Oil & Gas, Irrigation, Municipal and Water Treatment. Our team includes Chartered Professional Engineer (CPEng) resources.

Company Directors

John Erskine.jpg

John Erskine (CPEng)

Technical Director

John has over 17 years experience in the design, installation, and operation of hydro generation schemes; and has held design and project management roles on a variety of large multi-discipline engineering projects.  He has specialist skills in Pelton turbines, advanced FEA stress analysis, vibration analysis, HAZOP/FMEA facilitation, and site management and unit commissioning. 

Aaron Worner.jpg

Aaron Worner

Operations Director

Aaron has over 13 years experience in the energy sector, incorporating multiple engineering disciplines and a variety of industry segments, such as generation, retail and distribution. His project management and engineering roles cover Hydro, Solar, Wind, Thermal and Geothermal work across all project stages from feasibility, design through to construction and asset management.

Richard Weaver.jpg

Richard Weaver

Commercial Director

Richard has 25 years of experience in business development, technical, commercial, and senior management roles. He has been involved in a range of industries and environments including Power, Mining, Oil & Gas, Municipal and Pharmaceuticals. His experience in contracting models includes Design, Design & Build, DBO (Design, Build & Operate) and BOOT (Build, Own, Operate, Transfer).

Senior Leadership Team

Quinton Rowson

Quinton Rowson

Principal Mechanical Engineer

Business Development & Technical Advisor

Quinton has more than 19 years of engineering experience across a range of industries. Quinton is a specialist for Fitness for Service assessments (FFS), fracture mechanics, creep/fatigue, stress analysis, FEA, CFD and vibration analysis including work on feasibility, business case development, concept, preliminary and detailed design, manufacture, construction, installation, commissioning, handover, asset management, inspection, repair and derating.

Sean Grayston

Sean Grayston

Financial & Project Controller

Sean has twenty years of experience across a broad range of business management, financial analysis, project management and system development roles.  His education in finance and econometrics focused on business, developmental and public economics.  Sean's practical experience includes project management, contract management, business case development, domestic and international procurement, financial analysis, risk/sensitivity analysis and HSEQ system management.

Nick Hills

Nick Hills

Senior Mechanical Engineer

Nick has nearly two decades experience in complex system design, power generation, repair, vibration monitoring and maintenance activities. As a trained Engineering Officer in the Royal New Zealand Air Force (RNZAF), his experience includes design office management, modification, rehabilitation, repair, condition assessment and project & maintenance management. His expertise include modification and design of systems, structural repair/modification, and fatigue/corrosion management.

Chris Hayes

Chris Hayes

Senior Mechanical Engineer (CPEng)

Chris has over 15 years’ experience as a Mechanical Engineer, primarily on heavy plant and machinery in oil and gas. Chris has had the benefit of being involved in all phases of the project lifecycle, including specification, design, installation, and commissioning, as well as brownfield optimisation and assessment projects. Chris has specific expertise in fitness for service assessment of pressure equipment.

Helen Goddin.jpg

Helen Goddin

Senior Materials Engineer

Helen is an established materials engineer with a strong background in metallurgy, manufacturing, and chemical analysis across a range of industries, most recently in low-carbon fuels supporting the energy transition. She has extensive experience leading technical investigations, with a current focus on failure analysis and root cause determination to support operational reliability and risk mitigation.

John Donnelly_edited.jpg

John Donnelly

Chartered Engineer (CPEng)

Australian Regional Manager

John (JD) has over 35 years’ experience in Hydro operations and is a highly adaptable engineering leader with expertise in Asset Integrity, Process Safety, Reliability Engineering and Strategic Asset Management. He has built and led large teams whilst managing multi‑million‑dollar budgets. With a strong focus on long‑term sustainability and operational excellence, he consistently delivers sound, commercially grounded technical solutions.

Christiaan Erasmus

Christiaan Erasmus

Principal Mechanical Engineer

Christiaan has over 18 years’ experience in engineering analysis and design. This includes 12 years in power generation asset integrity with a focus on pressure equipment design and fitness for purpose assessments and integrity threats. He can easily apply engineering judgement to resolve difficult problems with limited information and to drive them to a satisfying solution. Christiaan maintains an expert level of computer skills in engineering analytical (finite element analysis) and drawing (CAD) packages.

Dominic Stulen

Dominic Stulen

Senior Mechanical Engineer

Dominic has been a Mechanical Engineer since 2016 and moved to the Hydro Industry in 2020. He has excellent problem-solving skills and brings a versatile skill-set and excellent project management skills. During his time at Re-Generate Dominic has focused on the alignment and testing of existing plant, Dam Safety, plant condition assessments, and is heavily involved in the refurbishment of large hydro machinery in Tasmania.

Henning Kruger

Henning Kruger

Senior Mechanical Engineer (CPEng)

Henning has over 20 years experience as a Mechanical Engineer, with 15 in heavy plant and machinery in oil and gas. He has been involved in all phases of the project lifecycle including: design, installation and commissioning, as well as optimisation projects on brownfield installations. Henning has specific expertise on thermally over-constrained piping on rotating equipment and vessel design.

Asset Integrity Team

Specializing in Fitness for Service (FFS) assessment, Risk Based Inspection (RBI), Integrity Operating Windows (IOW), Engineering Critical Assessment (ECA), High Temperature and Creep Assessments, Fracture Mechanics, Failure Analysis, Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA), Dynamic Analysis, Stress Analysis and material testing of critical or damaged engineering assets.

Cleo Enslin.jpg

Cleo Enslin

Senior Mechanical Engineer

Cleo has 10 years’ experience in the energy and petro-chemical industries. Projects typically included emergency designs and unique problem-solving in breakdowns, equipment assessments for continued service, and brownfield equipment refurbishment and replacements.

Willsen Wijaya.jpg

Willsen Wijaya

Mechanical Engineer

Willsen has 10 years of experience in numerical simulation across diverse engineering projects. His Ph.D. research focused on modelling the preforming behavior and permeability of woven reinforcements for textile composite applications.

Jared Brown.jpg

Jared Brown

Mechanical Engineer

Jared has over five years experience in engineering analysis and design in the aerospace and automotive engineering fields. He is experienced in prototyping, design, and integration with strong problem solving skills. His expertise include expertise Fitness for Service (FFS), Finite Element Analysis (FEA), and flow modelling.

Joe Jury.jpg

Joseph Jury

Senior Mechanical Engineer

Joseph has a degree in mechanical engineering with eight years’ experience spanning hydro generation, forestry, and hydrogen. He has a wide range of hands-on and analytical skills along with good knowledge of the hydro generation industry.

Matt Alemann.jpg

Matt Alemann

Senior Mechanical Engineer

Matt's experience has taken him around the world. He has thrived as a Design Engineer on fluid systems for exotic automotive applications. His experience includes modal, linear-elastic, elastic-plastic limit state, and hyperelastic studies across a range of hydro-specific assets.

Engineering Design Team

The Engineering Design Team provides innovative, robust designs for a wide range of mechanical, structural, and hydraulic systems. The team employs a variety of analytical and modelling tools to provide high value solutions.

Alastair Rose.jpg

Alastair has 23 years’ experience in all phases of the project lifecycle including; design, installation and commissioning in both new-build and refurbishment projects. He has design expertise in turbine design (Francis and Kaplan), gates, valves (butterfly, spherical, relief, bypass) and penstocks.

Alastair Rose

Senior Mechanical Engineer

Denis Jumetz_edited_edited.jpg

Denis started with us in July 2026 as an experienced Project Engineer. 

Denis Jumetz

Project Engineer

Ned Hancox.jpeg

Ned is a recent graduate with a strong  background in the agriculture industry. Since joining ReGenerate, he has worked across both the site services and design teams, developing a well-rounded skillset that enables him to deliver projects from initial design through to fabrication and installation.

Ned Hancox

Graduate Engineer

Ben Broadfoot_edited.jpg

Ben has a strong foundation in theoretical knowledge of mechanical engineering systems. He has completed projects globally, with work based in Europe, North America, and West Africa. His experience has helped to develop an eye for detail, and strong HSEQ capabilities.

Ben Braodfoot

Mechanical Engineer

Elliott Wilkins_edited.jpg

Elliott possesses a robust foundation in theoretical knowledge and practical skills. His expertise spans Computer Aided Design (CAD) and Finite Element Analysis (FEA), enabling him to design and analyse innovative engineering solutions with precision and efficiency.

Elliott Wilkins

Mechanical Engineer

Rebecca Lawerence.jpeg

Rebecca is a mechanical engineer with over 15 years’ experience in mechanical design, technical documentation, project and construction management, engineering audits and inspections, and client and subcontractor management.

Rebecca Lawrence

Mechanical Engineer

Chris Clay_edited.jpg

After supporting Re-Gen as an external consultant for several years, we have proudly welcomed Chris to the team as a permanent member. We'll update his profile once he's had a chance to settle in.

Chris Clay

Design Technology Manager

Jack Hendrikz.jpg

Jack's background is in manufacturing and leading R&D and machinery optimization projects. His experience includes risk assessment and compliance with machinery ISO, AS/NZ, and CE standards. He comfortably bridges the gap between mechanical, electrical, and software engineering. 

Jack Hendrikz

Mechanical Engineer

Yelena Pogrebinskaya.jpg

Yelena has over 40 years experience across a range of technical electrical engineering and automation. She is proficient in all aspects of control, automation design and programming, and is highly competent with most used OEM proprietary software programming packages.

Yelena Pogrebinskaya

Senior Electrical Engineer

Daniel Lund_edited_edited.jpg

Daniel has recently graduated from the University of Canterbury with a degree in Mechanical Engineering. New to the hydro industry, Daniel is eager to apply the skills he gained in FEA, CFD, and mechanical design as well as to further his development as a mechanical engineer with each project.

Daniel Lund

Graduate Engineer

Levon Stone.jpg

Levon has experience in manufacturing, testing and optimization of electro-mechanical systems, including designing for resistance against harsh environments. He has a strong understanding of industry standard tools and software, enabling him to contribute effectively to multidisciplinary engineering teams.

Levon Stone

Graduate Engineer

Engineering Site Services Team

The Engineering Site Services Team are specialists in Condition Assessment, Positive Material Identification (PMI), Precision Measurement using the latest 3D Scanning techniques, Alignment, Repair, Installation, Manufacture, and Procurement of complex mechanical, hydraulic and water systems.

Arno Van Eeden_edited.jpg

Arno brings a diverse skill set and strong understanding of operational compliance, asset management, and workplace health and safety requirements. He has practical problem-solving abilities, technical expertise, and a strong commitment to maintaining safe, efficient, and reliable operations.

Arno Van Eeden

Mechanical Technician

Max Swinburne_edited_edited_edited.jpg

Max has over 11 years’ experience as a Mechanical Manufacturing Engineer with specialist skillsets in CNC manufacturing. He has worked in a variety of industries including aerospace, defense, medical and mining. He is skilled in operating and programming a range of large and small multi-axis milling equipment.

Max Swinburne

Mechanical Technician

Ben Davis_edited.jpg

Ben recently graduated with first class honours from the University of Canterbury. He has developed a wide range of skills including CAD, CFD, coding in Python and C++ environments, additive manufacture, and a strong collaborative approach to solving complex problems.

Ben Davis

Graduate Engineer

Ramon Palmer.jpg

Ramon has over 10 years of experience in the mechanical engineering industry and has been involved with a range of projects ranging from on-site plant inspections and reporting, mechanical installation, to project management of a station refurbishment, to managing in-house manufacturing.

Ramon Palmer

Mechanical Technician

Bruno Rawson_edited_edited.jpg

Bruno started with us in August 2026 as an experienced Project Engineer. We look forward to having his skills and expertise on current and future projects.

Bruno Rawson

Project Engineer

Tom de Rooy.jpg

Tom a strong foundation in mechanical design, high-speed rotating machinery, and design-for-manufacture principles. With a practical, solution-focused approach, Tom delivers engineering outcomes that are robust, constructible and aligned with field realities, with an emphasis on precision measurement and quality assurance. 

Tom de Rooy

Mechanical Engineer

Dean Caseley.jpg

Dean has over 35 years’ experience with a trade background as a Fitter and Turner and specialist skillsets in heavy manufacturing engineering. He has extensive experience in heavy machining, and is skilled in operating and programming a range of large boring and turning equipment.

Dean Caseley

Mechanical Technician

Tom Richards.jpg

Tom has nine years’ engineering experience, including four in Hydro. He has delivered major turbine governor and screen‑cleaner upgrades at Re‑Generate and brings broad design experience from lifting equipment, sawmilling, bulk‑handling machinery, and heavy transport.

Tom Richards

Mechanical Engineer

Engineering Energy Team

Angus Morley-Hall.jpg

Angus Morley-Hall

Mechanical Engineer

With over seven years’ experience in the Taranaki oil, gas, and petrochemical industry, Angus has worked across pressure equipment inspection, NDT, maintenance, and regulatory compliance. His background includes a wide range of field-based work and a solid understanding of industry practices.

Gary Fleming.JPG

Gary Fleming

Mechanical Draughtsman

Gary has 40 years’ experience as a Designer/Draughtsman; twenty-five years in the construction industry and fifteen years in the oil and gas industries. Gary has been involved in all phases of the design process from front end engineering design (FEED), through detailed design and as-building.

Joel Beaty.JPG

Joel Beaty

Mechanical Draughtsman

Joel is a skilled Designer with expertise in the Oil & Gas and Architectural sectors. He began his career in the offshore oil industry in Australia and later enhanced his skills through various architectural projects in the UK. Joel successfully manages complex assignments, consistently delivering high-quality results within deadlines.

Materials Engineering Team

Industrial Engineering Team

​

Finn Birchall_edited.jpg

Finn Birchall

Materials Engineer

Finn started with Re-Gen in August 2026 and will update his profile soon.

Chris Naude.jpg

Chris Naude

Senior Mechanical Engineer

Chris has over 8 years experience in Production and Project Management. He specializes in manufacturing processes, CAD/CAM like Solidworks and Mastercam, with expertise in the defense industry. Chris is a registered member of Engineering New Zealand (MEngNZ).

Commercial Administration Team

​

Donna Caves-Hogbin.jpeg

Donna Caves-Hogbin

Office & Business Systems Manager

Donna has over 20 years experience in office management and adminsitration including accounts, technical writing, data analysis, document design, and resource management.

With a degree in Commerce and Gaduate Diploma in Information Design, she is a highly capable administrator and general all-rounder.

Sammie Thompson.png

Sammie Thompson

Project Administrator

Sammie has four years of experience in production coordination and administration within manufacturing, commercial property, and retail environments. She specialises in operational coordination, procurement, and invoice management, with strong skills in reporting and cross-department communication.

2026 ReGenerateNZ Ltd.

bottom of page