Dr. Nina Cardinal

Technical Strategy Director

I want our industry to prove that sustainability isn’t a slogan. Every action must stand up to scrutiny, because credibility matters as much as innovation.

Professional biography

Dr. Nina Cardinal, Technical Strategy Director at Heidelberg Materials UK, brings nearly 30 years of expertise in materials technology, 23 years in steel and the past six in cement. A Chartered Engineer and member of leading professional institutes, she combines technical excellence with strategic vision. Nina holds a Dipl.-Ing. and PhD in Materials Science, an MSc in Advanced Concrete Technology, and an MBA, reflecting her commitment to innovation and growth. Her leadership focuses on advancing sustainable solutions that shape the future of construction.

Leadership & innovation

Nina is recognised for linking scientific rigor with real-world impact. She influences Heidelberg Materials’ global decarbonisation strategy, spearheading initiatives such as evoZero, the world’s first carbon captured near zero cement, alternative cementitious materials and exploring future low carbon cementitious materials. Nina also champions transparent carbon market instruments, enabling decarbonisation of the cement and concrete construction supply chain. 

Active on UK and European committees, she ensures solutions meet regulatory and performance standards while shaping industry policy. With multiple CCS projects underway, her leadership is defining the pathway to sustainable construction and reinforcing Heidelberg Materials’ position as a global climate leader.

Industry Engagement

New Civil Engineer Magazine

22nd June, 2026

Decarbonising the cement sector and the role of carbon accounting

Dr. Daniel Clayton

Technical Director, Concrete

Sustainability starts with honesty, being clear on what we can deliver and why. Ethical practice creates trust, and trust is what makes long-term progress possible.

Professional biography

Dr. Daniel Clayton is Technical Director for Heidelberg Materials’ UK Concrete division, bringing more than 30 years of experience across the global construction materials sector. His career spans five continents and includes expertise in ready-mixed concrete, roofing systems, and advanced tiling solutions, giving him a unique international perspective on technical best practice. Daniel holds a BEng in Industrial Geology and a PhD in Calcium Aluminate Cement Refractory Concrete, underscoring his standing as a leading authority in concrete technology and its application across complex infrastructure and industrial projects.

Leadership & innovation

Daniel plays a critical role in advancing technical standards and sustainability in concrete. He serves on the QSRMC board, UK Concrete Carbon Task Group, and BRMCA technical panel, influencing industry-wide best practice. A champion of innovation, Daniel has driven the adoption of low-carbon solutions, including evoBuild low carbon concrete, evoZero, the world’s first carbon-captured near zero cement, and the Power range of heat-conductive concrete for energy infrastructure. His collaborative approach prioritises performance, durability, and environmental responsibility, ensuring solutions meet rigorous technical requirements while contributing significantly to Heidelberg Materials’ Net Zero ambitions .

Industry Engagement

Marian Garfield

Director of Sustainability 

Projects like Padeswood carbon capture and hydrogen fuel trials are game changers; real innovation that shows how we can truly decarbonise construction at scale.

Professional biography

Marian Garfield is an established authority in sustainability and environmental compliance, delivering practical solutions to some of the construction industry’s most complex challenges. Her career began in environmental monitoring and landfill compliance before expanding into quality management and health and safety across aggregates and asphalt manufacturing. Prior to joining Heidelberg Materials, Marian served as Head of ESG for UK Coal and Health and Safety Manager with Network Rail. 

Throughout her career, she has taken evidence-based approaches to combine operational excellence with meaningful environmental stewardship.

Leadership & innovation

Marian is a driving force behind Heidelberg Materials’ sustainability and decarbonisation strategy. She spearheads transformative projects, including the development of the Padeswood Carbon Capture plant and pioneering hydrogen fuel trials for asphalt production at our Criggion plant. As an advocate for low-carbon innovation, Marian plays a pivotal role in introducing evoZero, the industry’s first carbon-captured near zero cement. Her collaborative, customer-focused approach embeds environmental responsibility and social value into core business practices. By combining technical expertise with strategic vision, Marian ensures sustainability solutions deliver measurable impact and help position Heidelberg Materials as a leader in the transition to a low-carbon built environment.

Industry Engagement

Adrian Hadley

Head of Technical, Asphalt, Aggregates and Recycling

Every low-carbon innovation, from CarbonLock to warm-mix asphalt, starts with listening to customers and ensuring the sustainable solution works for their specific challenges.

Professional biography

Adrian Hadley, Head of Technical for Asphalt, Aggregates and Recycling at Heidelberg Materials UK, brings over 40 years of experience in road construction materials. His career spans design, production, quality control, and regulatory compliance, underpinned by professional qualifications in Asphalt Technology, Quarrying, Quality Assurance, and Occupational Safety and Health. 

Adrian plays a key role in shaping industry-wide technical standards while ensuring Heidelberg Materials leads in adopting best practices and regulatory compliance. His expertise supports delivery of flagship UK infrastructure projects, including National Highways schemes, Hinkley Point C, and Thames Tideway, reaffirming his role as a trusted technical authority in the sector.

Leadership & innovation

Adrian is widely recognised as an asphalt and aggregates industry leader, shaping national standards and sustainability strategies. He chairs technical working groups, serves on Mineral Products Association committees, and contributes to British Standards development (B510/4 and B510/19). Passionate about low-carbon innovation, he has driven initiatives such as evoBuild Foamed Asphalt, Era warm-mix asphalt and CarbonLock, cutting emissions and advancing circular economy practices.

Through industry forums and events, Adrian shares expertise on decarbonisation and resource efficiency, influencing best practice across the sector. His leadership helps customers and the industry progress toward Net Zero, positioning Heidelberg Materials as a pioneer in sustainable asphalt and aggregate solutions.

Industry Engagement