Micro One LLC operates a specialized marketplace connecting AI laboratories with pre-vetted domain experts for Reinforcement Learning from Human Feedback (RLHF) tasks. Founded in 2021 and headquartered in Palo Alto, the company addresses the critical bottleneck in AI model training by providing access to qualified human evaluators essential for developing advanced AI systems. The platform's focus on expert vetting and domain-specific matching has positioned it as a key infrastructure provider in the rapidly expanding AI training ecosystem. With a current valuation of $500 million, micro1 continues expanding its expert network to support the growing demand for human-in-the-loop AI development processes.