Tata Sons appointed Roopa Purushothaman as Chief Economist and Head of Policy Advocacy to drive macro-economic research as well as all policy and advocacy initiatives as relevant to the businesses of the salt-to-software conglomerate. Purushothaman joins Tata Sons from Everstone Capital, where she was leading the research function. Before that, she was with Goldman Sachs International as Vice President & Global Economist. She will join the group with effect from 1st September 2017.