Babak Hodjat is a serial entrepreneur behind several Silicon Valley companies as main inventor and technologist, and currently serves as CTO - AI at Cognizant. Babak is the former co-founder and CEO of Sentient, responsible for the core technology behind the world’s largest distributed artificial intelligence system, and he was also the founder of the world's first AI-driven hedge-fund, Sentient Investment Management. Babak is widely credited as the main inventor of the natural language technology used in Apple’s Siri.