Meet the Team

Senior Leadership

Jamie MacDonald

Managing Director

International energy leader focused on strategic growth, market expansion and the successful delivery of complex offshore wind and energy projects worldwide.

Jamie MacDonald

Managing Director

Jamie MacDonald is an experienced international leader in offshore wind, subsea, and oil and gas. He holds a Master’s in Engineering and began his career in offshore and subsea design before moving into leadership roles that combine technical insight with commercial and strategic delivery.

He has worked extensively across the UK, US, and Japan, where he has built and grown teams, led market entry efforts, and managed acquisitions and large-scale transformation programmes. His experience spans business development, due diligence, and operational execution, with a focus on linking strategy to real-world delivery.

As a GlobalScot, Jamie is committed to promoting Scottish expertise internationally and strengthening connections across the global renewables industry. He remains closely involved in the technical side of the work, supporting teams to grow, win work, and deliver complex projects with a focus on quality, value, and long-term success.

Andy Malpas

Offshore Director

Chartered Mechanical Engineer specialising in offshore wind engineering, asset integrity and the delivery of complex energy infrastructure projects.

Andy Malpas

Offshore Director

Andy Malpas is a Chartered Mechanical Engineer with over 15 years’ experience in the global offshore energy industry, providing operational leadership and delivery oversight to engineering projects across the full development life cycle. His experience spans from early holistic wind farm planning and owner’s engineer, through to foundation design and into asset management, life extension and decommissioning. Andy has worked across fixed bottom and floating wind, covering both WTG foundations and offshore substations. 

Andy has spent much of his career involved in the integrity management of offshore structures in the offshore wind industry. His technical expertise is in fracture mechanics, fatigue crack growth, and the assessment of defects in offshore structures, including inspection and repair strategies. 

Andy has held a variety of roles covering business development, operations, project management, engineering management and technical delivery. Andy has worked in the UK and USA, and has experience leading diverse teams, driving growth and delivery excellence, and managing project portfolios across the global offshore wind market. 

Bertie Wykeham

Project Management & Excellence Lead

Chartered Engineer and project management specialist leading the planning, design and de-risking of offshore wind developments from concept through to execution.

Bertie Wykeham

Project Management & Excellence Lead

Bertie is a chartered engineer (Royal Institute of Naval Architects) and a Project Management Professional (Project Management Institute). Through his 20-year career he has been extensively involved in offshore design of both floating and fixed structures. Over the last 5 years he has worked exclusively in offshore wind projects as project manager through Concept Design, pre-FEED and FEED phases.

The projects which Bertie has managed have covered all assets that comprise an offshore wind farm from WTG to grid connection, managing teams of over 30 multi-discipline engineers to ensure all design aspects are managed and de-risked. This experience has equipped Bertie with a detailed knowledge of all aspects of offshore wind pre-FID design, and an understanding of the technical and delivery risk.

Bertie’s experience extends to expertise in interface management, cost and financial modelling and planning and preparation of post-FID execution phases.

Fabrizio Gardini

Head of Engineering

Chartered Mechanical Engineer specialising in transport and installation engineering, offshore construction and project delivery across the global energy sector.

Fabrizio Gardini

Head of Engineering

Fabrizio is a chartered mechanical engineer with an impressive track record of over two decades in installation engineering, transportation, commissioning activities, and project management within the offshore energy sector.

Fabrizio’s expertise lies particularly in offshore wind fixed foundations and cables installation work, covering a broad spectrum from offshore oil and gas operations in shallow and deep waters to the development of offshore wind facilities.

Throughout his career, he has been involved in various aspects of project execution, including Engineering, Procurement, Construction, and Installation (EPCI) projects, tenders, and Front-End Engineering Design (FEED) studies.

Prior to joining GDG, Fabrizio worked at Saipem, where he progressed from a graduate project engineer to Head of Subsea Structures & Systems. Notably, he led as a proposal manager, guiding the technical, commercial, and contractual preparation of significant and intricate proposals.

With a relentless dedication to enhancing both technical and project management skills, Fabrizio brings a wealth of knowledge and experience to his role, making him an asset in driving success in the offshore energy industry. 

Liliana Trindade

Head of Ground Modelling

Geophysicist specialising in ground modelling, offshore site characterisation and the delivery of geophysical solutions for complex marine developments.

Liliana Trindade

Head of Ground Modelling

Liliana is a Geophysicist with 20 years’ experience in land and marine geophysical surveys. She has been involved with projects during tendering and planning stages as well as supervision of sub-contractors, data acquisition, processing, and reporting.

For the past decade, Liliana has worked primarily as Technical Project Lead, planning processing strategies, scheduling, and managing office and site teams throughout all stages of data processing and reporting, providing technical support and QC for UXO, geophysical and hydrographic surveys for various offshore wind farms in European waters. In conjunction with live projects, she worked closely with commercial and technical teams in the development of leaner processing flows and data quality review.

Joey O'Connor

Head of Environmental

Marine environmental specialist providing expert ecological, environmental assessment and consenting support for offshore and coastal developments.

Joey O'Connor

Head of Environmental

Joey leads GDG’s Environmental Team and has 17 years’ experience as a marine and coastal environmental professional and >10 years project and team management experience with a focus on managing delivery of scientifically robust marine environmental advice.  

A Marine Scientist with ecological expertise and extensive experience of Environmental Impact Assessment and Appropriate Assessment, Joey joined GDG in 2022 having worked in the UK for Joint Nature Conservation Committee (2012-2022), where he managed operational delivery of the UK’s offshore MPA benthic biodiversity monitoring programme, and the Channel Coast Observatory (2009-2012). 

Montserrat Torras Perarnau

Head of Transportation & Installation

Senior offshore wind engineer specialising in transport and installation, cable systems and project delivery across the manufacturing, construction and decommissioning lifecycle.

Montserrat Torras Perarnau

Head of Transportation & Installation

Montserrat is a senior engineer with 11 years of offshore wind experience within Transport, Installation and Manufacturing scopes. She has worked as Product Manager Decommissioning, Cable Package Manager and Cable Installation Manager, Site Manager for TPs fabrication and Lead Project Engineer for foundation and WTG installation at Vattenfall and Van Oord. 

Montserrat has extensive experience in cable and CPS manufacturing and installation at foundations and offshore substations. Her experience includes EPCI and T&I preparation and execution of OWF. 

She holds a masters in structural and construction engineering from Universitat Politècnica de Barcelona (UPC).  

Toby Harrison

Head of Survey Management

Offshore survey and site investigation specialist delivering complex marine operations, multidisciplinary project leadership and high-quality data solutions worldwide.

Toby Harrison

Head of Survey Management

Toby has over 20 years’ experience in offshore site investigation and asset inspection and has been involved with numerous projects in different work environments, from nearshore and intertidal areas to full ocean depth in different areas of the world. He has been employed as Geophysicist, Party Chief, Project Manager and Client Representative. Working within these roles has enabled him to develop an excellent and in-depth understanding of multi-role survey vessel operations, from vessel mobilisation and survey data acquisition to survey completion and collation of client deliverables as well as an understanding of the contractual and commercial detail of projects.

Whilst working onboard different vessels, he has completed onboard data acquisition, processing, interpretation, and field reporting. When not working offshore, he has gained experience of compiling the final charting and reporting deliverables. He has also been involved with the contractual and commercial aspects of projects whilst keeping an active input to technical considerations.

Toby is experienced with project management and team leadership, having been responsible for teams up to 40 personnel of different technical disciplines, planning operations and logistics to ensure timely and cost-effective services to the client whilst ensuring safe operations and not compromising product quality.

Highlights and accomplishments of his recent career have been to take a new build vessel and develop the team and systems onboard to a level that it was recognised as the company flagship within Europe.

Julien Plouhinec

Head of Structural

Principal Structural Engineer specialising in the design and delivery of offshore renewable energy and marine structures from concept through to detailed engineering.

Julien Plouhinec

Head of Structural

Julien is a principal structural engineer and project lead engineer with 16 years’ experience in the offshore industry and renewable energy sector. His expertise lies in the design and analysis of steel, concrete and hybrid structures, from feasibility to detailed design, for the renewable energy industry (wind and tidal turbines, fixed and floating foundations) and oil and gas sectors. 

Before joining GDG, he spent his career with MAREAL as an offshore structure & naval engineer, where he was responsible for renewable energy activities, such as the FEED for the GBS of Fecamp offshore wind farm in France, the detailed design of all 2nd structures of St Nazaire wind farm and then, for the last 3 years, he was the naval and structural manager for the XCF semi sub concrete floater.

He holds a master’s degree in naval architecture from ENSTA Bretagne Engineering School. 

Spyridon Liakas

Head of Geotechnical

Chartered Geotechnical Engineer specialising in offshore foundations, geotechnical design and the delivery of practical, cost-effective solutions.

Spyridon Liakas

Head of Geotechnical

Spiros is a Chartered Geotechnical Engineer with over 10 years’ experience working on a variety of infrastructure (highway and railway) and offshore renewables projects with a proven ability to lead geotechnical packages and performing geotechnical design.

Spiros is a pragmatic engineer with a comprehensive knowledge of relevant design codes and the ability to identify the most cost-effective solution to engineering problems. He has strong capability and experience in report writing, project management and commercial management of multidisciplinary projects.  

Spiros has been involved in the specification and interpretation of advanced laboratory testing and the design of offshore pile foundations including monopile design, gravity foundation design and jacket foundations.

Spiros has also undertaken a Finite Element Analysis of a micropile system to evaluate the pile resistance under tension and horizontal loading as part of a research work for a novel floating offshore foundation solution. 

David Champness

Project Management and Business Development Consultant

Chartered Geologist and ground engineering specialist delivering geotechnical solutions, project leadership and technical expertise across global energy and infrastructure sectors.

David Champness

Project Management and Business Development Consultant

David has over 20 years’ experience in ground engineering, spanning technical, business development, and project management roles. He is a Chartered Geologist (CGeol), European Geologist, and UK Registered Ground Engineering Professional (RoGEP) who has managed and contributed to more than 100 projects, programs, and frameworks across sectors including Offshore Renewables, Nuclear, Highways, Rail, Water, Oil & Gas, and Mining. He is currently an expert consultant to Gavin & Doherty Geosolutions (GDG), part of the Venterra Group, supporting business development, project management, and geotechnical solutions for the global energy transition. David’s extensive field experience includes nearshore and offshore site investigation campaigns worldwide, including UK & Europe, APAC, MENA, and the USA. He has collaborated with culturally diverse teams and stakeholders across four continents, bringing a structured, collaborative approach and strong commercial acumen to complex, multidisciplinary project delivery. 

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