Martin is Head of Sustainability and Environmental Initiatives for Siemens Financial Services. He works with businesses, states and cities to support them in achieving environmental, social and economic goals. He has been involved in building strategies and developing pathways for organizations to achieve ESG improvement as well as roles in energy purchasing and Green Funds.

Prior to this, he was the Deputy Mayor of London for Energy & Environment to the former Mayor of London, Boris Johnson, responsible for policy in water, waste, air quality, energy, climate change mitigation and adaptation and biodiversity. He was also the Executive Director for the design and delivery of the City’s environmental programmes.

As Managing Director of Cambridge Management & Research he worked for the Energy Saving Trust and the Institute for Sustainability and was also Special Advisor to the C40 Cities Group chaired by Michael R Bloomberg during his time as Mayor of New York. An Engineer, he built his career working with organizations as a consultant to structure their projects and programs.

He has three published books - “Better Cities, Better Life” and “Smart Cities - Cities in the Digital Age” and “The Climate City” from Wiley publishing which involves contributions from 40 experts in the sustainable city sector.