Zhen Han

Activist
DISC Type : Cd

Senior Applied Scientist at Amazon Web Services (AWS)

San Jose, California, United States

Overview

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.

Personality Overview

Observative

Logical And Quick

Perfectionist

They don’t always try to control the conversation but neither do they like yielding it fully.  They can be nudged to make faster decisions by offering what they value. They care equally about the product and its potential impact.

Topics They Care 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.
LLM Reward Modeling
A core focus of his current research involves creating reward models specifically for long-horizon, complex reasoning tasks.

Media Appearances

Zhen has no verified media appearances

Work History

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

Education

2019 - 2022
Doctorate Degree from Ludwig-Maximilians-Universität München
2016 - 2019
Master's Degree from Technical University of Munich

More Information

Social Presence :

Prographics :

Exp : 5 Location : San Jose, California, United States Job Level : N/A Designation : Senior Applied Scientist at Amazon Web Services (AWS)
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Insights For Selling To Zhen

During A Call Or A Meeting

DO's

  • Make sure that you you respond to any queries from them quickly
  • Get to the point quickly instead of spending too much time on pleasantries
  • Refer to testimonials from others in similar positions

DONT's

  • Avoid long winding pitches, stay objective
  • Avoid repeating yourself or making generalizations
  • Don’t expect them to change their mind quickly if they say no once

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Zhen is

  • Belief in the product plays an important role, followed by objective proof and testimonials.
  • Will you ever get a clear answer from Zhen

  • They may hesitate slightly, but if they are not convinced, they will say no.

Insights For Deal Planning

    How fast (or slow) will Zhen move?

  • Their decision making speed is somewhere in the middle.
  • Can Zhen take some risk or not?

  • They can take risks only after they have analyzed the advantages and disadvantages.

You And Zhen

Personality Compatibility


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