Justin Sacks founded K2A in 2005 to meet a gap in sustainable development based on his previous work in the field -- putting knowledge into action.

Prior to starting K2A, Justin developed and led the Local Multiplier 3 (LM3) programme at the New Economics Foundation (nef), a London-based “think-and-do-tank” that inspires and demonstrates real economic well-being.

Prior to joining nef, Justin was a senior budget analyst at the New York City Mayor's Office of Management & Budget, where he was responsible for the City’s capital housing programme, including financial planning after September 11th. 

Justin holds a B.A. Architecture (magna cum laude) from Yale University and a M.Sc. Economic History (merit) from the London School of Economics.  

In 2008, Justin was named one of the “Future 100” young ethical entrepreneurs in the UK.