Elvis Saravia is the co-founder and lead AI researcher at DAIR.AI, a mission-driven organization democratizing AI research and education worldwide. Based in Belize, he is the author of the Prompt Engineering Guide - one of the most widely read AI resources on the internet with 73,000+ GitHub stars and over 3 million learners - and publishes the AI Agents Weekly newsletter. A PhD graduate from National Tsing Hua University in Taiwan, he has contributed to landmark AI projects including the Galactica large language model at Meta AI, and is known for bridging rigorous research with accessible, production-minded education for the next generation of AI builders.
ZeroEntropy is the AI infrastructure company fixing the broken retrieval layer of modern AI applications. Founded in 2024 by Ghita Houir Alami (CEO) and Nicholas Pipitone (CTO), the San Francisco–based startup builds rerankers, embedding models, and end-to-end search infrastructure that outperforms Google, OpenAI, Cohere, and Voyage on public benchmarks. Backed by Y Combinator (W25) and a $4.2M seed round led by Initialized Capital, ZeroEntropy's products — zerank-2, zembed-1, zsearch, and ze-onprem — are used by enterprises including Assembled (serving Stripe, Canva, Robinhood, and Notion). The company's proprietary zELO training methodology, derived from chess Elo ratings and the Thurstone statistical model, produces models with calibrated relevance judgments that binary labels cannot replicate.
LlamaIndex is a San Francisco-based AI infrastructure company and open-source framework that enables enterprises to build intelligent document agents using large language models. Founded in 2022 by Jerry Liu and Simon Suo, it started as a side project called GPT Index and has grown into a full enterprise platform with products like LlamaParse (agentic OCR), LlamaCloud (enterprise SaaS), and a widely-used Python/TypeScript SDK. With 25M+ monthly downloads, 48K+ GitHub stars, and customers including Rakuten, Salesforce, and 90+ Fortune 500 companies, LlamaIndex is a leading player in the enterprise RAG and AI agent infrastructure space.