Andy Last co-founded salt in 2000 and is now CEO of MullenLowe salt, following the acquisition by MullenLowe in 2017. He has led the development of MullenLowe salt’s Social Purpose model to create sustainable, progressive campaigns for brands and businesses. He has worked since 2006 on Lifebuoy soap’s award-winning social mission, described as the ’best social program ever’ by David Aaker, Professor Emeritus at the University of California, Berkeley’s Haas School of Business. He is a regular speaker and guest lecturer on social purpose and sustainability, a B Corp ambassador, and a member of the Medinge Group Think Tank.