DataVendor provides market services for buyers and sellers of AI data DataVendor is a product of HUD (Human Union Data, Inc.), a San Francisco based Y Combinator Winter 2025 startup founded in 2025, dedicated to building high-quality post training datasets and RL environment infrastructure for AI. DataVendor serves as a part of its data trading marketplace. The founding team includes Jay Ram (CEO, Columbia University CS+Physics background, previously engaged in ML research, quantitative research, and consumer applications), Lorenson Martinsons (Co CEO, Yale University Cognitive Science background, focused on natural intelligence), and Parth Patel (CTO, Rutgers University Computer Engineering background, previously worked as a software engineer at companies such as Standard Metrics). The company has completed a Series A financing of $16 million (led by Standard Capital in June 2026, with participation from YC, Exceptional Capital, etc.), with a team size of approximately 24 people, including international Olympic medalists and researchers who have published papers on ICLR/NeuIPS. The mission is to enable data creators to directly sell high-quality private data and environments to AI labs. https://datavendor.ai/my-listings