Richard Gillies is to leave his job as head of sustainability at M&S to work at the Kingfisher DIY group to lead its Net Positive Plan.
The director of Plan A at Marks and Spencer, Richard Gillies, has quit after nearly 30 years to join Kingfisher as the sustainability director in charge of the Net Positive Eco-Plan, with timber, energy, innovation and communities as its focal points.
A Kingfisher spokesperson said: "Kingfisher has a strong heritage on sustainability issues and Richard will help us to drive forward our Net Positive plan - launched in 2012 - with our colleagues, our customers and our external partners."
He will also be responsible for government affairs and will report to Kingfisher's chief executive, Ian Cheshire.
Mr Gillies has been director of Plan A at M&S since it was created in 2007. Kingfisher's sustainability plan is very similar to Plan A.
Mike Barry will replace Mr Gillies at M&S on October 1.
An M&S spokesman told Retail Week: "We'd like to thank Richard for his significant contribution over the last 29 years and wish him all the best for the future."