DJ Patil co-created the notecard system, an explicit personal operating system with principles like "Dream in years, plan in months, evaluate in weeks, ship daily" that he teaches to founders, and coined the term "data scientist" while defining the modern data-science role in industry. He unusually blends roles as operator, public servant, and investor—serving as the first U.S. Chief Data Scientist, founding leader at Devoted Health and LinkedIn, and now GP at GreatPoint Ventures—while actively seeking what he calls Massively Multi-Interdisciplinary Problems that sit at the intersection of multiple deep domains like policy, health, defense, and technology. DJ Patil co-created the notecard system, an explicit personal operating system with principles like "Dream in years, plan in months, evaluate in weeks, ship daily" that he teaches to founders, and coined the term "data scientist" while defining the modern data-science role in industry. He unusually blends roles as operator, public servant, and investor—serving as the first U.S. Chief Data Scientist, founding leader at Devoted Health and LinkedIn, and now GP at GreatPoint Ventures—while actively seeking what he calls Massively Multi-Interdisciplinary Problems that sit at the intersection of multiple deep domains like policy, health, defense, and technology.