---
title: "Annabell Schäfer"
category: "people"
role: "Growth Engineer"
company: "Clickhouse"
linkedin: "https://de.linkedin.com/in/annabell-schaefer"
twitter: "https://x.com/annabellschfr"
sourceLabels: ["Official speaker roster", "Official conference schedule"]
---
# Annabell Schäfer

## Profile
Growth Engineer at [[clickhouse|Clickhouse]].

- [LinkedIn](https://de.linkedin.com/in/annabell-schaefer)
- [X / Twitter](https://x.com/annabellschfr)

## Biography
Annabell Schäfer is a Growth Engineer at Langfuse, the open source LLM observability platform. She works at the intersection of building and teaching, shipping AI tooling that makes Langfuse more accessible to agents while helping engineering teams build stronger mental models for AI development. Before Langfuse, she was a Founding AI Product Specialist at REMATIQ and did GenAI product-architecture research at UC Berkeley.

## Conference Sessions
- [[2026-06-29-lotte-verheyden-continuously-improving-agents-with-langfuse]] — Continuously improving agents with Langfuse (2026-06-29, 1:15pm-2:15pm)

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

### Linked Sessions
- [[2026-06-29-lotte-verheyden-continuously-improving-agents-with-langfuse|Continuously improving agents with Langfuse]]

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