Sandy is a business leader, whose key strength is strategic leadership of systemic change, focused now on sustainability. His career comprises senior strategic and operational roles in manufacturing, supply chain, and R&D (Unilever and Diageo), then leadership roles in two global business coalitions (Ellen MacArthur Foundation, Toilet Board Coalition) setting up circular economy projects. He has studied business, engineering, and environmental systems, advised organisations across multiple sectors, and is now teaching sustainability at Masters level and on corporate programmes.