K9 Ventures

Figure Eight provides high-quality, scalable data for AI models and applications, specializing in data annotation, collection, and training for machine learning and AI.

Twilio is a cloud communications platform that enables developers to build, scale, and operate real-time communications within their applications. The platform offers APIs for messaging, voice, video, and email, as well as customer engagement solutions powered by AI.

Raytrix, formerly Lytro, is a company specializing in 3D light field camera technology, focusing on professional applications and research.

CardMunch is a mobile application that allows users to scan business cards and convert them into digital contacts, ensuring accuracy through human transcription and offering features like LinkedIn integration and full-text search.

Everlaw is an AI-powered cloud-native ediscovery software designed for legal professionals, enabling them to analyze large volumes of documents efficiently and effectively.

Card.io provides a mobile SDK that allows developers to integrate card scanning capabilities into their applications, enabling users to capture credit card information using their smartphone cameras.

Baydin is now Boomerang, a productivity tool that enhances email management and task organization through features like email scheduling and reminders.

Lucidchart is a diagramming application that leverages AI and data to create intelligent diagrams, enabling users to visualize systems and processes effectively.

AirTree Ventures operates as one of the few VC firms globally to build a large Open Source VC library with hundreds of detailed playbooks, templates, and legal documents made freely available to all founders—not just portfolio companies. The firm pioneered a public Diversity Pledge tied to every lead investment, committing to bring at least one investor from an underrepresented group onto the cap table for every deal it leads, and runs Explorer, a free angel-investor training program with deliberate focus on women and non-traditional investors.

Series B investor (~$15M checks) acting as venture coaches—former Twitter, Google, and Facebook execs who avoid board seats and help founders build sales organizations and revenue operations.

Early-stage, concentrated checks from an institutionalized family-office team (social and gaming exits) with operator-empathy, values-driven approach, broad global mandate, and quiet Sequoia/Bessemer co-invests to access elite syndicates.

Late-stage investor leveraging Mary Meeker–style multi-hundred-page macro research and a small, senior operator/growth partnership to scale proven product-market-fit internet and software companies for global expansion and IPO readiness.