Mark Jenkinson is Director and Founder of Crystal Associates, an independent consultancy helping cities, communities and businesses to be smarter and more sustainable.

Mark is Chair of the London Chamber of Commerce & Industry’s (LCCI) ‘Environment, Sustainability & Green Growth’ committee and member of the LCCI Council. He is also Vice President of the South East London Chamber of Commerce, co-lead of Tech London Advocate's PropTech working group, a LETI workstream lead, contributor to the new UK Net Zero Carbon Building Standard, a member of the City of London's Skills for a Sustainable Skyline Taskforce and Liveryman in the Worshipful Company of Constructors.  Previously, Mark spent 25 years in senior international roles at Siemens, including a focus on smart and sustainable city development.