Zhen Han in

Zhen Han

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Senior Applied Scientist at Amazon Web Services (AWS)
📍 San Jose, California, United States

Zhen Han is a Senior Applied Scientist at Amazon Web Services (AWS), where he leads research for Bedrock Flow. His work focuses on LLM routers, agentic workflows, and developing reward models for complex reasoning tasks. He holds a Doctorate from Ludwig-Maximilians-Universität München and has expertise in multimodal LLMs and knowledge graphs.

Zhen is actively involved in the research community, attending conferences like NeurIPS to connect with peers. He is passionate about building the next generation of AI talent and frequently posts about hiring research-focused summer interns for his teams at AWS.

He was selected as one of 51 national winners in Germany to receive a €100, 000 research grant from the Federal Ministry of Education and Research.

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Experience
5 Years
Current Role
Senior Applied Scientist
Location
San Jose, California, United States
Personality Overview

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Priorities

Topics Zhen cares about

Agentic AI Workflows
He leads research at AWS Bedrock building and training agents designed to automatically construct workflows from user descriptions.
GraphRAG & Knowledge Graphs
He contributed to the innovation and launch of Bedrock GraphRAG and has a deep research background in knowledge graphs dating back to his PhD.
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Career

Work history

7-2025
Senior Applied Scientist
Amazon Web Services (AWS)
8-2024 - 6-2025
Applied Scientist
Amazon Web Services (AWS)
12-2022 - 8-2024
Applied Scientist
Amazon
1-2022 - 12-2023
Research Team Lead
LMU Munich – Ludwig-Maximilians-Universität München
12-2019 - 12-2022
Researcher PHD Student
Siemens
In the press

Media appearances

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Education
2019 - 2022
Doctorate Degree
Ludwig-Maximilians-Universität München
2016 - 2019
Master's Degree
Technical University of Munich
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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