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 working on Data+AI systems, database infrastructure, vector search, graph engines, and multimodal analytics.

Experience

  • 2025 -

    Research Scientist
    ByteDance
    Researching and building Data+AI systems for retrieval, analytics, vector search, agentic workflows, and multimodal data processing.
  • 2022 - 2025

    Research Scientist
    Huawei Cloud Database Innovation Lab
    Researched graph database infrastructure, relational database kernels, tensor-centric data systems, and overall architecture, including the GES line of work behind benchmark-leading graph systems.

Education

  • - 2022

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

    B.S.
    Wuhan University
    Computer Science

Research Areas

  • Data+AI systems
  • Database systems
  • Vector and graph infrastructure
  • Distributed query processing
  • Structured and unstructured analytics

Honors and Awards

  • 2025
    ByteDance Soaring Star Talent Program
    ByteDance

    ByteDance’s most prestigious talent program.

  • 2025
    Huawei Gold Award for Individual Excellence
    Huawei

    Awarded to the top 1% of employees.

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

    Ranked top-1 on one of the most authoritative public graph database benchmarks.

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

    Ranked top-1 with a 3,000x improvement over the prior

  • 2022
    TopMinds Talent Program (First Class)
    Huawei

    Huawei’s most prestigious talent program.

  • 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.