In this articleONEMHIMSAmbar Bhattacharyya, managing director at Maverick VenturesMaverick VenturesAmbar Bhattacharyya is managing director at Maverick Ventures, a $400 million venture capital fund based in San Francisco which invests in health start-ups. His health-care portfolio firms include six IPOs and four unicorns (start-ups valued at $1 billion or more).Bhattacharyya — who currently sits on the