CV

Experience, education, honors, and professional activities.

Contact Information

Name Hao Zhang
Professional Title Research Scientist
Email zhanghao.ai@bytedance.com
Website https://h20zhang.github.io

Professional Summary

Research scientist building database, retrieval, and Data+AI infrastructure for AI-native and data-intensive workloads, spanning agentic data management, retrieval-aware knowledge representation, graph/vector retrieval, semantic query processing, accelerator-aware execution, and distributed query processing.

Experience

  • 2025 -

    Research Scientist
    ByteDance
    • Building Data+AI systems for retrieval, analytics, vector search, agentic workflows, and multimodal data processing.
    • Working on semantic data processing and AI-native infrastructure for heterogeneous data and LLM-based workflows.
  • 2022 - 2025

    Research Scientist
    Huawei Cloud Database Innovation Lab
    • Researched graph database infrastructure, relational database kernels, tensor-centric data systems, and overall system architecture.
    • Contributed to the GES line of work behind benchmark-leading graph systems and LDBC SNB Interactive results.
    • Worked on systems connecting database research prototypes with production-oriented infrastructure.

Education

  • 2017 - 2022

    Ph.D.
    The Chinese University of Hong Kong
    Systems Engineering and Engineering Management
    • Advisors: Prof. Jeffrey Xu Yu and Prof. Hong Cheng.
  • 2013 - 2017

    B.S.
    Wuhan University
    Computer Science

Research Areas

  • Agentic data management, integration, and knowledge extraction
  • Retrieval-aware knowledge representation
  • Vector and graph retrieval infrastructure
  • Semantic query processing and AI-native data systems
  • Graph database systems and dynamic graph storage
  • Accelerator-aware SQL and graph query execution
  • Distributed query processing and AI4DB

Honors and Awards

  • 2025
    ByteDance Soaring Star Talent Program
    ByteDance

    Talent program award.

  • 2025
    Huawei Gold Award for Individual Excellence
    Huawei

    Individual excellence award.

  • 2025
    LDBC SNB Interactive benchmark world record, imperative systems leaderboard
    LDBC

    Ranked top-1 on the public LDBC SNB Interactive imperative leaderboard.

  • 2024
    LDBC SNB Interactive benchmark world record, declarative systems leaderboard
    LDBC

    Ranked top-1 on the public LDBC SNB Interactive declarative leaderboard.

  • 2022
    TopMinds Talent Program (First Class)
    Huawei

    Talent program award.

  • 2016
    Meritorious Winner, International Mathematical Contest in Modeling
    COMAP

    Top 6% distinction.

Professional Activities

  • Reviewer: TKDD; PAKDD 2021, 2022, 2023, 2024; KDD 2020; CIKM 2020, 2021; AAAI 2021.
  • External reviewer: SIGMOD 2021, 2022; VLDB 2019, 2020, 2021, 2022; ICDE 2019, 2020, 2021, 2022.
  • External organization: LDBC Management and Planning Committee.