---
title: "typedef"
category: "companies"
aliases: ["typedef"]
website: "https://www.typedef.ai/"
sourceLabels: ["Official speaker roster", "Official conference schedule", "Public company site", "Automated company profile fetch"]
---
# typedef

## Overview
typedef is represented at AI Engineer World's Fair 2026. Its public site describes it this way: A live context layer, compiled from your code, that checks every AI answer and every change before it ships.

## Background
The official speaker roster connects typedef to Brandon Callender, Yoni Michael. The public company site was discovered by domain-guess and fetched for homepage metadata.

## Conference Relevance
typedef matters to this wiki through 2 official speaker(s) and 1 scheduled session(s), including: The Data Context Layer: Why Data Engineering Agents Need More Than Code and Databases.

## Conference Sessions
- [[2026-06-29-yoni-michael-the-data-context-layer-why-data-engineering-agents-need-more-than-code-and-databases]] - The Data Context Layer: Why Data Engineering Agents Need More Than Code and Databases (2026-06-29, 2:20pm-4:20pm)

## Connections
- [[brandon-callender]] - Founding Engineer
- [[yoni-michael]] - Co-Founder

## Sources
- [Typedef](https://www.typedef.ai/)

## Evidence Graph
This evidence graph summarizes how this organization appears across the conference source graph: scheduled sessions, linked videos, transcripts, and slide-derived evidence.

### Linked Sessions
- [[2026-06-29-yoni-michael-the-data-context-layer-why-data-engineering-agents-need-more-than-code-and-databases|The Data Context Layer: Why Data Engineering Agents Need More Than Code and Databases]]

### Media Signals
No linked video, transcript, or slide source has been attached yet.

## Notes
- Automated company profile fetch status: fetched.

## Evidence Boundary
Official roster and schedule facts are treated as canonical for conference participation. Public company sites, documentation, and professional profiles are supporting context used to explain what the organization does and why it is relevant.