Researcher

Wei-Ying Ma

Also known as 馬維英, Wei‐Ying Ma

Wei-Ying Ma is a computer scientist whose work spans image retrieval, web search and AI for science. He studies electrical engineering at National Tsing Hua University and UC Santa Barbara, then works on multimedia systems at HP Labs and search systems at Microsoft Research Asia, including Graph Engine. At ByteDance, he builds an AI lab for machine learning, computer vision, language, speech and recommendation before co-founding Tsinghua AIR and directing health-computing research at BAAI. ACM names him a Fellow for contributions to web search and data mining; as of October 2026, he is CityUHK's Chief of AI and director of the Hong Kong Institute of AI for Science, while leading AI-for-science research at Tsinghua AIR.

Works
422
Citations
30,242
h-index
85

Publication numbers from OpenAlex, as of 14 October 2026.

Photo of Wei-Ying Ma

Timeline

  1. 1990–1997

    From engineering to image retrieval

    He earns a B.S. in electrical engineering at National Tsing Hua University in 1990, then M.S. and Ph.D. degrees in electrical and computer engineering at UC Santa Barbara in 1994 and 1997. During his doctorate, he works on the Alexandria Digital Library project.

  2. By 2001

    From HP Labs to Microsoft

    Before joining Microsoft Research Asia in 2001, he worked at HP Labs on multimedia adaptation and distributed media services infrastructure.

  3. 2001–2017

    Search systems at Microsoft

    At Microsoft Research Asia, he leads the Web Search and Data Mining Group and serves as Assistant Managing Director from 2009 to 2017, managing five research groups. His work includes Microsoft Graph Engine, which processes a large knowledge graph for web search and natural-language understanding.

  4. 2017–2020

    Building ByteDance's AI lab

    In 2017, he founded ByteDance AI Lab and became its vice president and head, directing research in machine learning, computer vision, natural language processing, speech, audio, recommendation and search. The lab's teams developed AI-powered systems for content creation and distribution across ByteDance products. He left ByteDance in 2020.

  5. 2020

    Founding Tsinghua AIR

    He co-founded Tsinghua's Institute for AI Industry Research with Ya-Qin Zhang in 2020.

  6. 2021–2023

    Directing health computing

    He served as director of the Health Computing Research Center with the Beijing Academy of Artificial Intelligence.

  7. 2023

    An ACM Fellowship

    He became an ACM Fellow for leadership and contributions to web search and data mining.

  8. As of October 2026

    Leading AI for science

    He is CityUHK's Chief of AI, director of the Hong Kong Institute of AI for Science and a chair professor in computer science. At Tsinghua AIR, he leads research focused on AI-driven drug discovery and generative AI for biology and chemistry.

Sources and credits

Photo: scholars.cityu.edu.hk; Wei-Ying MA - CityUHK Scholars; creator not stated. License: Not stated by source. Source: scholars.cityu.edu.hk. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Wei-Ying Ma en.wikipedia.org. Checked 14 October 2026.
  2. Building Infrastructure to Support Web-scale Data Mining for Search | HKUST CSE cse.hkust.edu.hk. Checked 14 October 2026.
  3. Wei-Ying Ma-AIR air.tsinghua.edu.cn. Checked 14 October 2026.
  4. ByteDance’s top AI scientist resigns amid TikTok’s global setbacks kr-asia.com. Checked 14 October 2026.
  5. 2023 ACM FELLOWS CELEBRATED FOR CONTRIBUTIONS TO COMPUTING THAT UNDERPIN OUR DAILY LIVES prnewswire.com. Checked 14 October 2026.
  6. Wei-Ying MA - CityUHK Scholars scholars.cityu.edu.hk. Checked 14 October 2026.