Alex joined NESTA in June 2008. He makes and manages investments in the Cleantech, Engineering and Healthcare sectors.. Alex started his career in the creative industries before joining Foursome Investments in 1999.. During his time at Foursome, Alex was involved in multiple transactions, across a number of sectors and geographies, with a. predominant focus on early-stage environmental technology businesses. Alex also managed Foursome’s early-stage fund, the FourVision Fund LP.