Lenny Rachitsky

Granola

London

The AI-powered notepad for people in back-to-back meetings

LlamaIndex

San Francisco

LlamaIndex offers an open-source framework that lets developers build agents to parse, extract insights, and act on enterprise documents, reasoning over data and scaling for production. It has 4M+ monthly downloads and 200M+ documents proce

Mage AI

Santa Clara

Mage is a modular workflow system that executes executable blocks to deliver reliable, relevant, and timely AI-ready data outputs; its tractable, compositional, and adaptive blocks enable teams to manage and update data pipelines as needs e

Delphi

San Francisco

Delphi aims to amplify human wisdom—personalized, discoverable, and preservable—while scaling brilliance across generations. It has tripled revenue, users, and Delphi interactions in six months, backed by Sequoia Capital, Founders Fund, Abs

Artie

San Francisco

Artie enables real-time data streaming and database replication between databases and data warehouses, launched about a year ago and now processing over 10 billion rows per month, backed by Pathlight and General Catalyst.

Bezi

San Francisco

The company empowers game developers as a group of technical, first-principles thinkers, emphasizing trust, deep user understanding, and a flat, meritocratic culture where ideas are pursued and debated equally; Bay Area SoMa meets twice wee

Supernova

Prague

Prague-based · developer tools.

Office Hours

Bengaluru

Office Hours builds the world's most advanced expert-network platform, connecting hundreds of venture capital, consulting firms, and startups with thousands of verified experts in technology, software, and healthcare, helping users realize

Emerge Career

New York

Emerge Career provides government-focused technology to unify the entire workforce development cycle—from recruitment and career assessment to vocational matching, training and coaching, employment, and retention—promising to build America'

Aviator

San Francisco

Aviator builds engineering productivity supertools that automate mundane developer workflows. YC-backed, well-funded startup counts Doordash, Square, Benchling, Figma, Bosch, and Slack among customers, with investors Elad Gil and Lenny Rach

Tempo

Brazil

Tempo is a Strategic Portfolio Management platform that bridges strategy and execution across the enterprise, with a React-based AI-powered Visual Editor to design and deliver initiatives. As an Atlassian Platinum Partner, it serves 30,000

Canvas

San Francisco

Canvas, a small team, is building AI Operating System for B2B sales, backed by Y Combinator, to automate boring parts of outbound so humans can focus on finding and connecting with prospects, via AI research agents and on-demand human SDRs.

Arcade

San Francisco

Arcade is an interactive demo platform that makes it easy for teams to create beautiful demos in minutes, removing creative and technical barriers to showcasing their product on websites, content, or social media.