Holden is a director at Carbon Profile, specialising in energy consultancy to the real estate sector and hosts the Carbon Times podcast. He has spent time with some of the largest consultancies. His last role at Arcadis was in environmental planning, covering housing development projects, major infrastructure projects and supporting large public and private organisations plan and sustainably manage their estates. At Carbon Profile, Holden is working across the real estate sector helping find the solutions to the complicated challenge of managing compliance and energy in an ever-shifting world of corporate ESG objectives.