Our Team

Houlder specialises in design and consultancy in the maritime environment.



Mark is an experienced Senor Naval Architect and Project Director. He is a qualified and experienced naval Architect and has managed large and complex multidisciplinary teams in the concept design, new build, conversion and upgrade projects. As project director he is responsible for taking the lead as well as project managing major projects, and ensuring a solid interface between clients, suppliers and internal teams.

Mark specialises in the land-sea interface: Ports, Jetties and Pontoons. His deep experience of vessels, structures and stability finds applications from offshore energy to river infrastructure along the Thames often partnering with civil engineering firms.

Mark Beck

Project Director


Jonathan is a principal mechanical and electrical engineer with experience in multiple engineering disciplines. Jonathan completed 25 years’ service in the Royal Navy, completing as a Charge Chief Marine Engineering Artificer before joining industry. He is a highly self-motivated team player with determination and a positive attitude; possesses excellent leadership and man-management abilities with proven communication and organisational skills.

Jonathan Buttigieg

Through Life Manager

Calum Campbell

Naval Architect

Ivancica Cvetko

Structural Engineer


Professional Mechanical Design Engineer with 18 years’ experience in detailed design of machinery for the offshore and renewable Industries and other applications. Projects varied in size & value from motion compensated access systems to 1000t+ heavy handling equipment. He has a thorough understanding of design & engineering developing solutions to meet client’s requirements then managing the project through the engineering phases and into operation.

Luiz Demenicis

Principal Mechanical Engineer


“We give you access to the combined knowhow of experienced professionals – all with a passion for the industry you work in.”

Rupert Hare has nearly twenty years’ experience within Houlder focusing on project and contract management across the offshore energy and commercial marine sectors. He has a wealth of experience leading relationships within the oil & gas and renewables industries, government and marine regulators specifically heading up vessel design, adaptation and equipment installation projects.

Rupert Hare

Chief Executive Officer


“Houlder is on an ambitious growth plan, built on a solid foundation of customer service. It’s a challenging but rewarding place to be right now.”

Simon Harris

Principal Consultant

Imogen Hill

PR & Marketing Executive

Jakki Hill

Business Operations Manager


Simon is a former CFO of a global technology PR business which he joined from Price Waterhouse. A trained engineer, he went on to gain an MBA from Ashridge Business School prior to establishing a financial change management business in 2003. His experience includes preparing several SME finance departments for expansion and change.

Simon Hill

Chief Financial Officer


Kai is a senior naval architect with over 12 years’ experience. Kai is highly skilled in design, structural modelling and FEA of ships, offshore equipment and structures. Kai has extensive experiences in stability modelling and analysis using NAPA software package. Kai also has broad knowledge of motion analysis and mooring studies using OrcaFlex software and ANSYS AQWA.

Kai Jiang

Senior Naval Architect

Brandon Lundini

Contracts Analyst


Charlie Mackrill

Mechanical Engineer


Stefano Marcadella

Head of IT


Ben is a Chartered Naval Architect with direct shipyard experience. His roles include technical management, project leadership and works supervision for major floating asset upgrades include offshore support vessels, pipe and cable layers and dive support ships. He has also worked on a range of yachts, motor craft, military vessels and tankers.

Ben leads the delivery of Houlder’s project management services, which include technical management, project leadership and works supervision for major vessel upgrades and retrofits.

Ben Myers

Project Director


Erik is a Chartered Naval Architect specialising in advanced analysis and forensic engineering. He has over 20 years of experience to share in motion behaviour and station keeping of floating structures. He has been involved in and managed design and engineering projects of floating structures. Additionally, Erik has worked extensively with innovative institutions for offshore energy developments and has executed numerous modelling tasks and feasibility studies. Recent activities include project management and support of expert witnesses in dispute cases and the project management of technical due diligence tasks.

Erik ter Brake

Principal Consultant


James is highly skilled in mathematics, modelling and the hydrodynamic and structural analysis of offshore structures. With in-depth knowledge of analytical and statistical analysis, James’ capabilities provide valuable support for vessel and system design, major project implementation, innovation and product development.

James Russell

Principal Naval Architect


Gary is a former sea going engineer now specialising in hydrodynamic analysis and applied mathematics. Detail-oriented; he is ideally placed to solve technical and practical challenges, model complex systems and support gated decision making with robust analysis.

Gary Russell

Naval Architect



Mark is a Chartered Engineer with 18 years of experience in project engineering/management, construction (subsea and vessel modification), consultancy work, design engineering and tendering. He commenced his career in a large multi-national installation contractor, gaining responsibility and becoming the lead engineer within a busy expanding department prior to specialising in technical consultancy. He combines the wide-ranging experience to understand project risks, restraints and demands with use of technical knowledge to guide decision making.

Mark’s team engineers offshore solutions as economies transition to carbon-neutral. Experience spans structural analysis and design in established sectors (Oil & Gas and Fixed Offshore Wind) to technical advisory studies in lower carbon fuels (LNG and Hydrogen) and Floating Offshore Wind.

Mark Goalen

Chief Operating Officer

Lauren Lindsay

Business Support Manager

Kola Obayomi

Principal Engineer


Enora is a Naval Architect with over 5 years’ experience in the Oil and Gas industry. She has developed skills in naval architecture and structural analysis and carried out a wide range of projects to satisfy the need of the marine industry.

Enora Le Squer

Engineering Manager

North East


Colin is experienced in all aspects of Marine Design from preliminary estimates to finished vessels. Responsibilities include General Arrangement plans, Structural scantling plans, Trim & Stability calculations, Lightship calculations, Longitudinal Strength, Launching, Ship’s Trials, Noise & Vibration, Staad Pro Analysis, Inclining Experiments, Direct Structural calculations, Drawing of Steel Detail Plans, Estimation & Calculation of Weights and Centres of Gravities, Material take-offs. Steelwork site supervision. Liaising with Class Site Surveyors to meet Class Approval.

Colin Forster

Senior Structural Engineer

Bryce Harding

Engineering Manager

Vicky Murphy

Project Co-ordinator

Carl Reay

Junior Accountant

Peter Kisten

Group Finance Manager

South Coast


Adam is the technical manager of Houlder’s hydrodynamics department (Seaspeed). Adam has been involved in a wide variety of projects that assess the performance of vessels and systems either computationally or through physical model testing. Adam has led various hull form optimisation projects which are focused on improving a vessels seakeeping or powering performance. He also maintains a database of vessel performance data for validation and reference purposes.

Adam Alcantara

Technical Manager

Christa Babu

Naval Architect


Gabriel is a competent AMRINA engineer with proven efficiency and knowledge achieved through diverse engineering design. He is capable to assist in project management aspects of all engineering projects.

Gabriel Bratu

Senior Naval Architect

Rhys Dickerson

Senior Naval Architect

Chris Fisher

Principal Naval Architect

Tim Hope

Principal Naval Architect


Since joining Houlder David has been involved in a wide variety of tasks including technical advice on structural fire protection, Lightweight surveys, stability analysis using advance software packages, structural design, draughting and survey work.

David Knight

Senior Naval Architect

Andy King

Director - Stability and Statutory

Andy Kirk

CAD Manager


Robert Lee is a Chartered Naval Architect with more than a decade’s marine industry experience primarily with shipbuilding structural analysis and design, production support and detailed design. He has a good knowledge and experience of ship design and build in accordance with Flag and Class requirement, UK, military and International shipbuilding standards. He has worked on commercial, government and defence projects giving him an insight into best practice. For example, he participated in the CVF Value Engineering Working Group for BAE Systems.

Robert Lee

Principal Naval Architect


Julian has led multi-vessel design, build and procurement projects for numerous international operators and contractors. He has proven expertise in managing technical work scopes including design and builds in Europe, South America and the Far East, as well as commercial, legal and contractual matters related to procurement management, design, plan approval, construction and delivery. As such he is ideally placed to advise on marine projects, be that at a strategic, implementation or technical level.

Julian leads Marine Equipment Design and associated ‘build partner’ relationships. He also runs Expert Services – an extended team providing seasoned technical input on legal disputes and contractual negotiations.

Julian Mason

Director - Ship Design & Engineering


Joe is a project engineer with a wide range of experiences within the marine industry through roles in the defence and renewables sectors. Joe has experience taking designs from concept through to installation and has a strong track record doing this for wave & tidal devices in the UK and Europe. He also has experience in the emerging floating offshore wind sector particularly around moorings and foundation selection. More recently at Houlder, Joe has undertaken analysis and advisory scopes assessing technologies for clients, quantifying their benefit and producing commercial and technical risk assessments for emerging technologies.

Joe O'Connor-Simpson

Senior Project Engineer

Chris Palliser

Principal Marine Engineer

Daniel Parsons

Design Draughtsperson


An experienced naval architect and marine engineer with specialist experience in hydrodynamics covering hull form design, performance prediction (powering, dynamic stability, manoeuvring and seakeeping), sea trials and data analysis. He has worked on the design and testing of a broad range of vessels and floating marine structures covering ferries, patrol craft, superyachts, all-weather and free-fall lifeboats, survival systems, research vessels, survey vessels, crew transfer vessels, offshore service vessels, barges, floating wind turbines and floating booms. Since early in his career, he has also been closely involved in the development of the high-speed ferry industry through the design, build, testing and surveying of numerous such vessels in Europe, Australia and USA. Stephen has been responsible for founding, managing and developing two specialist marine companies in his career (Autonomous Surface Vehicles Ltd and Seaspeed Marine Consulting Ltd) employing and training a significant number of graduate engineers over a period of more than thirty years.

Steven Phillips

Project Director

Arun Pillai

Project Director


An experienced senior leader with Advisory and Project/Operations Management background across a broad portfolio of work supporting commercial, defence and energy sectors. A strong technical background and knowledge in complex floating systems. A personal enthusiasm in the implementation of upcoming technology and automation across the lifecycle for major capital projects is enhanced by over a decade of working at senior corporate levels. Engaged in setting corporate strategy; building global capability in a multi-discipline and multicultural environment; developing client and peer to peer relationships as well as ensuring delivery and integrity of day-to-day execution of complex commercial contracts as part of the Regional Leadership Team across EMEA and APAC. Being embedded in corporate governance and HSE issues across design, construction and operational project phases. Talent management of the multi-discipline resource pools enabled a proactive balance of Schedule, Change, Quality and Risk across capital project execution in both hands on and oversight roles while still supporting cross business unit Subject Matter Expert needs. A strong belief in the team; direct involvement in the hiring and development of all levels of technical engineers/engineering managers and project engineers from apprentice and graduates upwards was reflected in delivery of technical excellence, implementation of new technology and ways of working and the ability to flex capability and capacity as required. Passionate about the Blue Economy and Marine Solutions to fix global climate targets and supporting a safe and sustainable future for all through floating energy and maritime decarbonisation.

Talk to us about our sustainability advisory services

Simon Potter

Director - Sustainability Advisory


David is a highly experienced engineer with a proven track record of team leadership, project management, engineering design and ship construction. He has direct experience of military applications through his time working in a shipyard, and commercial shipbuilding as a consultant.

David Pugh

Principal Marine Engineer

Iebum Shin

Data Analytics Lead


Jonathan is a Chartered Naval Architect with over thirty years’ experience in the marine industry having worked in Design Consultancy, as a Classification Society surveyor, and on an Owner’s new construction team. His experience extends from initial concept and feasibility evaluations to practical shipbuilding experience, newbuild and large conversion projects. Jonathan’s range of technical experience covers concept through to detail design, stability, structural design, seakeeping, lifesaving appliances, structural fire protection.

His recent experience includes managing the concept design and development of the Tendering specification for the UK’s New Polar Research Vessel. Following the successful completion of this, Houlder was selected as the Technical Adviser to British Antarctic Survey.

Jonathan leads on our R&D developments as well as new builds and vessel conversion across our markets. Energy transition is a specialism with recent work featuring fuel-efficient design, LNG, carbon capture and alternative fuels.

Jonathan Strachan

Chief Technical Officer

Justine Sunderland

Office Manager & QHSE Supervisor


Marta is a Naval Architect with over 15 years marine industry experience, primarily with NAPA modelling and calculations for intact and stability purposes for a variety of different types of vessels. In addition, she has conducted deadweight surveys and incline experiments on wide range of vessels.

Marta Wiecka

Principal Consultant


David has broad-reaching experience in the marine industry having worked on both defence and commercial marine vessels in consultancy and Classification Society roles. His experience extends from initial concept and feasibility evaluations to practical shipbuilding experience, newbuild and refit supervision and in-service support. David’s range of technical experience covers concept through to detail design, hydrodynamics, stability, seakeeping and structural design which is balanced with experience of managing large projects for a diverse range of ship types and clients.

David specialises in technical advisory work throughout a vessel’s lifecycle. He has a particular interest in the evaluation and application of clean technology.

David Wing

Director - Ship Design & Engineering

Colbie Yip

Naval Architect