Macarena Cárdenas

Senior Advisor for Resilience and Nature, UK Green Building Council

Madeleine Pauker

Postgraduate Researcher, Energy Demand Research Centre

Maiia Williams

Passivhaus Thematic Workgroup Coordinator, ACAN

Marie Modeste

Senior Consultant, RISE

Marion Baeli

10 Design

Marion Lloyd-Jones

Technical sales and specification advisor, Back to Earth

Mark Atherton

Director of Environment,, Greater Manchester Combined Authority

Mark Burton

Head of Renewables, Dimplex

Mark Harris

Head of Sustainability - Roofing, Sika

Mark Nason

Head of Professional Practice, Chartered Institute of Ecology and Environmental Management (CIEEM)

Mark Rowe

Steering Group Member, ACAN

Marketa Hermova

Landscape Product Specialist, Vectorworks

Martijn Oostenrijk

CEO, Madaster

Martin Fahey

Head of Sustainability, Mitsubishi Electric

Martin Hunter

Robert Bray Associates

Martin McCluskey MP

Minister for Energy Consumers, Department for Energy Security and Net Zero

Martyn Evans

Landsec

Matt Freeman

Interior Designer, Freeman Studio

Matt Isherwood

Aira UK Managing Director, AIRA

Matt Jones

Project Coordinator Energy, Bristol City Council

Matt Ratcliff

Group Managing Director, Domna

Matt Robb

Marketing and Media Manager, Stone Federation Great Britain

Matthew Dodds

Director – Commercial Division, Herschel Infrared

Matthew Hart

Director of Residential New Build, E.ON Next

Megan Hulme

Head of Policy, Sustainable Energy Association (SEA)

Mel Allwood

Director and Sustainability Leader, Arup

Melissa Arthur

Group Head of Biodiversity, Barratt Redrow

Mete Coban MBE

Deputy Mayor of London for Environment and Energy

Michael Burchert

Board Member, BIWENA e.V.

Michael McGowan

Chairperson, NHDG Policy Group

Michelle Sanchez

Sustainability Lead, RSHP and Circular Economy Coordinator. ACAN, RSHP / ACAN

Mike Pitts

Deputy Director (Heat and Buildings), Innovate UK

Miles Lewis

Director of Sustainability, Clarion Housing Group

Mina Hasman

Sustainability Director, SOM

Monika Žilionytė

Sustainable Procurement Manager, Vinci Facilities

Morgan Lewis

CEO, Material Index

Munashe Mhemba

Graduate Planner, Marrons and Building the Future Young Planner of the Year 2025