# jo

> jo is a voice-first personal AI agent for macOS that runs on your Mac and a private, per-user cloud machine. Rather than waiting to be asked, it proactively summarizes what is on your screen, drafts emails, manages your calendar, clips relevant content, and keeps up with the loose ends of work and life. Built natively in Swift for Apple Silicon and backed by Y Combinator (W24), jo reaches users across Mac, web, iMessage, Telegram, and WhatsApp while keeping personal data local and out of model training.

- **Founded:** 2023
- **Headquarters:** Menlo Park, California, United States
- **Founders:** Pradeep Elankumaran (Co-Founder & CEO), Kevin Li (Co-Founder & CMO)
- **Team size:** 2
- **Products:** jo for macOS, jo personal AI agent
- **Notable:** Backed by Y Combinator in the W24 batch., Launched a native Apple Silicon macOS app on December 23, 2024 with no waitlist and instant download., Built a voice-first assistant with instant summaries, browser tasks, and calendar checks by cutting latency across integrated LLM, audio, and network systems.

## Products & services

- **jo for macOS** — A native Swift, Apple Silicon voice-first AI app that summarizes on-screen content, checks the calendar, runs custom voice searches, and drafts email - built on local and remote LLMs with vector storage and native audio/network code for low-latency responses.
- **jo personal AI agent** — A per-user personal AI running on the Mac plus an isolated private cloud machine that learns preferences over time via nightly self-review, gives daily briefings, turns loose ends into next steps, and reaches users across web, iMessage, Telegram, and WhatsApp.

## Achievements

- Backed by Y Combinator in the W24 batch.
- Launched a native Apple Silicon macOS app on December 23, 2024 with no waitlist and instant download.
- Built a voice-first assistant with instant summaries, browser tasks, and calendar checks by cutting latency across integrated LLM, audio, and network systems.
- Founding team's second YC company together after Farmstead (S16).

## Latest updates

- **2024-12** — jo launched publicly as a voice-first macOS app for Apple Silicon, announced via Y Combinator.
- **2025** — jo expanded into a cross-platform personal AI agent across web, iMessage, Telegram, and WhatsApp, with Gmail, Calendar, and Drive integrations and nightly self-learning.

## Links

- Website: https://askjo.ai
- LinkedIn: http://www.linkedin.com/company/askjoai
- Twitter/X: https://x.com/askjoai
- GitHub: https://github.com/jo-inc

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Profile page: https://yespress.io/jo-yc-w24
Published by YesPress — https://yespress.io
Last updated: 2026-07-30