Marty Weiner is the former CTO of Reddit and a founding engineer at Pinterest. At Reddit he led engineering through the platform's growth into one of the largest community sites on the internet. At Pinterest, he helped build the core infrastructure from inception through massive consumer adoption. He is now co-founder and CTO of VerifyYou, a verification platform that proves users are real and unique humans in roughly 15 seconds without collecting government documents. Its mission: keep the internet human. His areas of expertise include bot ecosystems, AI-generated fraud, platform integrity at scale, sybil attacks, content moderation engineering, and the operational challenges of running trust and safety systems for hundreds of millions of users.