Evan Hadfield
collective intelligence · digital democracy · human computation
collective canvas — leave your mark
Experience
- Head of Projects @ Collective Intelligence Project
- Founding/Lead Data Scientist, Human Computation Team @ Twitter
- Human-in-the-loop Ops Engineer @ Clara LabsEarly HITL + AI startup, 2nd employee
- Co-organizer @ Interact2011–2017
Projects
- Global DialoguesLead survey design and analysis
- Global Representativeness IndexPrimary author and developer
- Digital Twins EvaluationProject lead and concept architect
- Community ModelsProject lead
- Artificial Collective IntelligencePersonal project
- PluralpromptPersonal project
- Pregnancy Risk Probability LedgerPersonal project
ran every street in san franciscoPapers
- Building Benchmarks from the Ground Up: Community-Centered Evaluation of LLMs in Healthcare Chatbot SettingsarXiv:2509.24506 · with Hamna, Bhat, Mukherjee, Lalani, Siddarth, Bali, Sitaram
- The Global Representativeness Index: A Total Variation Distance Framework for Measuring Demographic Fidelity in Survey ResearcharXiv:2602.14835
Talks
- A Global Dialogue on Digital DelusionsYouTube
- AI and Democracy: Harnessing Collective IntelligenceALIGN Webinar · YouTube
Writing
- The Digital Twin Evaluation FrameworkCollective Intelligence Project
- There Will Soon Be Millions of AI Agents Working on Our BehalfCollective Intelligence Project