ai-marketplace
(10)
CARPL gives radiology AI a day job
Hospitals have plenty of AI to choose from. CARPL helps them decide what belongs in the reading room - and keeps watching after it gets there.
CARPL and the Trouble With a Thousand Clever Algorithms
Radiology has plenty of algorithms. CARPL sells the less glamorous thing hospitals need first: a way to choose, connect and keep watch over them.
Vidur Mahajan Makes Every AI Sit for an Interview
A physician who once had to choose among scattered radiology algorithms is building the neutral layer that tests, hires and watches them at work. His ambition now stretches far beyond the reading room.
Retrofit
Retrofit is an AI-curated vintage marketplace that uses AI agents to sift through hundreds of thousands of secondhand listings, analyzing social media trends, sales data and personal style to surface pieces matched to a shopper's taste, size and budget. Founded in 2024 by Sandra Lifshits and Maddy Yip and backed by Y Combinator (W25), it standardizes photography and descriptions from partner vintage stores so shoppers get a clean, personalized feed instead of endless digging.
Dan Hnatkovskyy
Dan Hnatkovskyy is a Ukraine-born, Austin-based PropTech entrepreneur and the CEO and co-founder of Jome (formerly NewHomesMate), an AI-powered real estate marketplace built to help buyers find, compare, and purchase new construction homes. A serial founder whose earlier ventures included Preenster and Brainify, he launched the company in 2020 and grew it despite a pandemic, recession, and the war in Ukraine, reaching 16 U.S. markets and more than 100,000 buyers. He was named to Forbes' inaugural Austin 30 Under 30 list in 2023, and in December 2024 the company raised a $9.8M Series A and rebranded as Jome.
Yobi
Yobi is an AI workforce platform that lets businesses deploy task-specific 'AI employees' - synthetic agents that answer calls, reply across text and social channels, book appointments and sync data 24/7. Founded by Ahmed Reza and built around named agents like Kate (reception), Marie (support) and Carlos (operations), Yobi unifies calls, messaging, CRM and team collaboration so small and mid-sized teams stop switching tools and start automating the busywork.
Wow AI
Wow AI is a US-registered, end-to-end AI training-data company that supplies high-quality, multilingual datasets and human-in-the-loop services - data collection, transcription, annotation, validation and RLHF - to teams building large language models, voice assistants and computer-vision systems. Its crowdsourcing network spans 170,000+ contributors across 120+ languages, with 100,000+ hours of audio and domain datasets for finance, healthcare and retail. The founding team has since extended the vision into AIxBlock, a decentralized platform for building, training and deploying AI, and WowDAO, a community-owned AI ecosystem.
Alex Atallah
Alex Atallah is the CEO and co-founder of OpenRouter, the unified API and marketplace that routes developer requests across hundreds of large language models. He previously co-founded OpenSea, the NFT marketplace, where he was CTO before leaving in 2022 to build from zero to one again. A Stanford computer scientist and Palantir alum, he turned a side project that connected browsers to AI models into infrastructure now routing roughly 25 trillion tokens a week, and raised a $113M Series B in 2026.
AppDirect
AppDirect is a San Francisco-based B2B subscription commerce platform that connects technology providers, advisors, and businesses so they can buy, sell, and manage software, hardware, connectivity, AI, and energy services in one place. Founded in 2009, it powers white-label marketplaces for telecom giants and enterprises, and is assembling an 'Everything Store' for B2B technology through a rapid string of acquisitions.
Nicolas Desmarais
Nicolas Desmarais is the chairman and co-CEO of AppDirect, the San Francisco-based B2B subscription commerce platform he co-founded with Daniel Saks in 2009 out of an apartment at age 23. AppDirect now powers digital marketplaces for thousands of providers across software, telecom, energy, hardware and AI, has raised roughly $750M, and most recently unveiled an AI-led 'everything store' for B2B procurement.