About the authors
Sonia Adams Global Chief Client Officer
Emily Gallant Technical Director - Engagement, Innovation and Partnerships
Sonia is Global Chief Client Officer at GHD, connecting people and ideas to deliver sustainable solutions worldwide. With over 30 years’ experience, she leads client engagement strategies that balance human and environmental needs, driving innovation and resilience across communities and industries.
Emily is an IAP2-trained facilitator and engagement practitioner and systemic team coach with over 15 years of experience designing meaningful participation processes across energy, water, environment, transportation, education, healthcare and municipal sectors. As a pioneer in AI-enhanced stakeholder engagement, she has developed innovative solutions now being delivered globally for clients worldwide.
Tai Hollingsbee Head of Sustainability, Asia Pacific
Thomas Evans Origination Leader Commercial Advisory
Carla Pignatelli Service Line Leader - Engagement and Communication Innovation, Transformation
Charlotte Grey Consultant UK Energy Solutions
Tai is a design engineer with nearly 25 years’ experience leading global projects. He specialises in building physics, sustainability assessment systems and emerging technology integration. Tai collaborates with leading architects and global brands to deliver award-winning, science-based design solutions, currently focusing on minimising the ecological impact of Artificial Intelligence infrastructure.
Thomas brings 15 years of global expertise in energy transition strategy, leading management consulting teams across London, Sydney, the UAE and Madrid. As GHD’s origination, commercial and deal advisory team leader in London, he specialises in supporting financial institutions through complex energy transactions whilst delivering strategic market entry guidance for energy developers.
Carla is a stakeholder engagement consultant specialising in technical and community communications. With over 11 years’ experience across major infrastructure projects, she designs tailored engagement programmes that make complex information accessible. Carla ensures communities and stakeholders can meaningfully engage with projects, delivering high-quality consultation that goes beyond compliance and supports planning and approvals processes.
Charlotte is a chemical engineer specialising in low- carbon energy solutions. With international project experience and a focus on future energy, she supports the transition to Net Zero through hydrogen, its derivatives and other low carbon fuels and renewables. Based in London, she works as a Consultant at GHD, delivering strategy, engineering studies and technical due diligence across the energy sector.
Hena Rana Business Group Leader - Strategy and Commercial Advisory
Freddie Guerra Digital Water Market Lead
Tej Gidda Global Leader, Future Energy
Jane Nethersole Programme Director, Climate Action
Hena leads commercial and organisational change initiatives that solve critical strategic, technology and operational challenges for asset-intensive clients. As an asset and digital transformation specialist, her expertise spans AI implementation, behavioural science applications and enterprise risk management, delivering innovative solutions across transport infrastructure, defence, utilities and industrial sectors globally.
Freddie is a strategist specialising in public sector innovation. With over 30 years’ experience across global markets, he helps governments and utilities harness technology to solve complex challenges. His expertise lies in connecting human and data insights with digital platforms to deliver transformative outcomes that improve lives and strengthen mission delivery.
Tej is Vice President and Global Leader for Future Energy at GHD, driving global strategies for energy transition. With over 21 years’ experience, he leads innovation across renewable power, future fuels, energy storage and energy systems integration, delivering resilient, secure and affordable energy solutions across sectors worldwide.
Jane co-founded Climate Action in 2009 as a partnership with the United Nations Environment Programme to amplify the role of business in delivering climate and sustainability solutions. A communications specialist and stubborn optimist, she now heads up Climate Action’s programming and institutional partnerships.
Ali Rezghi Junior Energy/ CFD Modeling Specialist
Matthew Ling Nature-based Solutions Lead, Commercial Advisory
Ron Heffron Vice President, US Hydrogen
Hassan Modarresi Senior Technical Director
Ali is an Energy and CFD Modelling Specialist with over two years of experience across Ontario, Canada. He specialises in building energy simulation, thermal comfort analysis, CFD, and greenhouse gas reduction. At GHD, he applies advanced modelling tools and data analysis techniques to deliver energy-efficient, climate-resilient, and net-zero design solutions.
Matthew is an environmental professional with nearly 20 years’ experience combining consultancy, local government and third sector expertise in ecology, biodiversity and nature-based solutions. He specialises in leveraging his broad knowledge base to identify opportunities and develop solutions to address clients’ needs and deliver positive environmental and social outcomes across EMEA.
Ron Heffron is a specialist in energy and marine infrastructure planning and design. With over 40 years of global experience, he is recognised for his work on production, import and export facilities for future fuels, floating LNG, liquid bulk and petrochemicals. His expertise also spans offshore wind, military marine infrastructure, coastal resilience and port design.
Hassan is a Senior Technical Director and chemical engineer with a strong track record in business development and strategic problem-solving. He leads high-impact projects by empowering teams and delivering innovative solutions that drive growth and measurable outcomes across diverse industries.
34 | GHD | Nexus Magazine
Nexus Magazine | GHD | 35
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