Jack Adkins

Senior Associate, The Carbon Trust

Jack Ostrofsky

Partnerships and Programmes Director, Warmer Homes London

Jack Taylor

General Manager of Europe, Allume UK | SolShare

Jade Lewis

Chief Executive, Jade Advocacy

James Cadman

Head of Consultancy & Climate, Action Sustainability & Supply Chain Sustainability School

James Ivin

Environmental & Sustainability Manager, Overbury and Morgan Lovell

James McCosh

Principal, van Heyningen and Haward Architects

James Turner

Mikhail Riches

Jamie Abbott

Director, Climate Programme Partners

Jamie Brookes

Director of Green Funding Solutions, EON

Jamie Keats

Director, Wrapt Homes

Jamie Shaw

Global Sustainability Director, Karndean Designflooring

Jan Kattein

Director, Jan Kattein Architects

Jana Dardouk

Resolve Collective

Jason Millett

Group Chief Executive, MACE Group

Jay Saggar

Programme Manager: Data, Smart Cities & Cyber Security, LOTI

Jenny Pierpoint

Chief Operating Officer, The Retrofit Academy (CIC)

Jeremy Till

Chair, ACAN! Steering Group

Jess Hrivnak

Sustainability Lead, RIBA and member of the UKNZCBS’ Technical Steering Group

Jessica Skilbeck

Director, DESNZ

Jez Climas

Head of Business Development - Renewables, City plumbing

Jo Butterfield

Southern Housing

Jo Elnaugh

Principal Sustainability and Built Environment Specialist, Essex County Council

Jo Wheeler

Co-Head, Policy and Places, UKGBC

Joanna Yarrow

Chief Impact Officer, Human Nature

Joe Carter

Development and Design Manager, Criterion Capital

Joe Jack Williams

Head of Regenerative Strategy, Bywater

Joe Pitts-Cunningham

Senior Experiential Learning Manager, UKGBC

Joel De Mowbray

Creative Director, Yes Make

John Allison

Deputy Director of Heat Networks, Department for Energy Security and Net Zero

John Coley

Director of Building Services, PICK EVERARD

John Edwards

Chair, IHBC Technical Panel

John Ferguson

Founder & CTO, SISALTECH LTD

John Taylor

Publications Manager & Technical Specialist, BSRIA

Jon Bootland

Director, Sustainable Development Foundation

Jon Moorhouse

CEO, Constructive Thinking Studio

Jon Vanstone

Chair of Industry Competence Committee, NHIC

Jonathan Plant

Director and Chair, NLA Circular Economy Special Interest Group and C&W

Jordan Rochester

FPP Benefits

Joshua Collins

Heat Networks Manager, ALTECNIC

Juan Sebastián Cañavera Herrera

Senior Sustainability Engineer, Foster + Partners

Julia Baker

Technical Director, Nature Services, Mott MacDonald

Julia Barfield

Director Marks Barfield Architects and Steering Group Member, Marks Barfield Architects and Architects Declare

Julie Futcher

Urban Climate Consultant, Urban Generation

Justin Ward

Head of Policy & Technical Practice, Chartered Institution of Highways & Transportation