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Cambridge Institute for Sustainability Leadership (CISL)

Mike is Head of Sustainable Business at the retailer Marks & Spencer. He was part of the small team that developed and delivered the company's groundbreaking Plan A, a 100-point, 5-year plan to address a wide range of environmental and social issues.


He helps provide the vision and the energy to affect change and ensure a leading but efficient approach to sustainability across the company. Mike is currently leading M&S work to deliver Plan A across its global retail operations in 45 territories across the world. He is also leading the innovation work to understand what truly sustainable retailing looks like and developing a route map for getting there.

In May 2011 Mike was named the Guardian’s inaugural Sustainable Business Innovator of the Year. He is Chair of the World Environment Centre and sits on BiTC’s Environment Leadership Team. Prior to joining Marks & Spencer in 2000, he worked as an environment manager in the engineering sector and as an environmental consultant. He is a chemistry graduate from Sheffield University. 

 Mike  Barry
Head of Sustainable Business at Marks & Spencer