Our Speakers

Nigel Ostime is an architect and project delivery lead at Hawkins\Brown, an architectural practice with studios in the UK, Ireland, and Canada. He also provides consultancy services to other construction professionals in risk management and business strategy through Ostime Consulting. With over 30 years’ experience delivering large, complex projects across residential, commercial, infrastructure, and aviation sectors, Nigel is a recognised commentator on Modern Methods of Construction (MMC) and Design for Manufacture and Assembly (DfMA).

He led development of the DfMA Overlay to the RIBA Plan of Work (2nd edition) and contributed to the RIAI DfMA Overlay. He sits on BSI Technical Committee CB/301 for Offsite and MMC, and contributed to key UK government initiatives including BSI PAS 8700 MMC for New Build Residential and the Value Toolkit. Nigel also serves on advisory boards for the Offsite Alliance and major industry events such as UK Construction Week.

His work includes developing a Housing Pattern Book for London authorities, a DfMA Roadmap for the UK’s largest affordable housing provider, and the DfMA Toolkit app, funded by Innovate UK. He has authored several RIBA publications and lectures at a number of architecture schools. He was previously a director of Rational House, a modular housing startup.

Hawkins\Brown recently developed Standardised Design Approaches for Ireland’s Department of Housing which established a range of house types, standardising construction methods and components for the public and private sectors.

Nigel received the Derrington Construction Award 2025 from the Institute of Structural Engineers for his paper An Introduction to Modern Methods of Construction.

Leroy Gardner is CEO and Co-Founder of ArcAngel Additive, Professor and Head of Structural Engineering at Imperial College London and a Fellow of the Royal Academy of Engineering. Prof. Gardner is engaged in teaching and research into steel structures and in the design and implementation of metal 3D printed construction projects. He has co-authored 4 textbooks and over 600 technical papers.

He and his team were responsible for the safety verification of the world’s first metal 3D printed bridge – the MX3D bridge – which was opened to the public in 2021, and has since been pioneering new applications of this technology across the construction sector. Prof. Gardner serves on several European and US Standards Committees for structural steel, and chairs the recently formed Committee for the establishment of a new European Standard for the design of metal 3D printed structures.

Amit Oberoi is the Founder & CEO of Regulyne, building the trust infrastructure layer for the global built environment. A neuroscientist turned risk strategist, he brings over 25 years of experience operating at the intersection of regulation, capital, and complex infrastructure.

Amit has led and advised on some of the world’s most high-profile and technically demanding programmes across the UK, Europe, the Middle East, and Australia. His experience spans major organisations and initiatives including Lendlease, Deliveroo, the Qatar FIFA World Cup 2022, Abu Dhabi Tourism Authority, and the Australian Government’s NDIS reforms. Throughout his career, he has focused on governance, safety, and performance in environments where regulatory scrutiny and financial exposure are at their highest.

He is the former Chairman of the Considerate Constructors Scheme, where he played a key role in shaping industry standards and accountability frameworks.

At Regulyne, Amit is applying decades of insight into how risk is assessed and managed to create the Global Trust Index (GTI), a standardised, decision-ready trust score designed to bring transparency, comparability, and confidence to real estate markets worldwide.