Piyush Narang presently the Chief Architect at Zipline.ai and is a PMC member of the Chronon open source project. Previously he worked as a Staff Engineer / Tech Lead of Stripe's Shepherd ML feature computation platform. At Stripe and prior roles (Criteo, Twitter, Amazon), he has helped build data and ML services and libraries at extremely low latencies, high data scale and with the operational rigor to support a critical part of the company's business. His interests lie in solving hard problems at the intersection of infrastructure, big data and machine learning.