Synthetic Audience Testing: How AI Personas Replace Guesswork
June 4, 2026
Founder
Jack Gardner is the founder of Polis, where he's building tools that let creators and developers stress-test content against synthetic audiences before they ship it. His work sits at the intersection of multi-model AI systems and practical content strategy, focused on giving builders fast, concrete feedback loops instead of guesswork. He writes about the mechanics of persona testing, agent workflows, and what it takes to make messaging land on the first try.