Sara Menker is the founder and CEO of Gro Intelligence, which uses data, analytics, and forecasting models to inform companies involved in the agricultural supply chain and organizations impacted by climate change. Hans Tung is a managing partner at GGV Capital, focusing on early-stage investments across the global digital economy. In this conversation with Stanford adjunct lecturer Emily Ma, Menker and Tung discuss the skills, tactics and technologies needed to solve complex, systemic challenges.