Tejas Viswanath is founder and CTO of Chaldal, the world's first one-hour grocery delivery company. An engineer specializing in high-performance, scalable, and secure computing, he is driven by his vision of an efficient, connected world built on simple systems. Mr. Viswanath was previously the chief technology architect at SigFig, an automated investment advisory firm that powers wealth management algorithms in large banks like UBS and Wells Fargo. He holds a computing degree from the National University of Singapore.