Yajun W.

AI Researcher

Mountain View, California, United States17 yrs 8 mos experience
Highly StableAI Enabled

Key Highlights

  • Expert in machine learning and algorithm design.
  • Proven leadership in dynamic ad ranking systems.
  • Strong background in computational geometry and game theory.
Stackforce AI infers this person is a Machine Learning and Algorithm Design expert in the AdTech industry.

Contact

LinkedIn

Skills

Core Skills

Machine LearningAlgorithm DesignData Analysis

Other Skills

Ads MeasurementsAlgorithmic Game TheoryAlgorithmsArtificial IntelligenceComputational GeometryData MiningData StructuresDistributed SystemsDynamic Product AdsLaTeXNative Ads SelectionNatural Language ProcessingPartnership ManagementPattern RecognitionRanking

About

algorithmize the world. Specialties: machine learning, user modeling, algorithm design, computational geometry, game theory

Experience

Snap inc.

Machine Learning

Sep 2025 – Present · 6 mos

  • I lead the ranking team for dynamic product ads in Snap.
Machine LearningRankingDynamic Product AdsAlgorithm Design

Linkedin

Engineering

Dec 2021 – Sep 2025 · 3 yrs 9 mos · 美国 加利福尼亚州 桑尼维尔

  • Ads Measurements & 3rd Party Partnership in Linked Marketing Solutions.
Ads MeasurementsPartnership ManagementData AnalysisMachine Learning

微软

Applied Scientist/Manager

Jul 2013 – Nov 2021 · 8 yrs 4 mos · Sunnyvale, California

  • Microsoft Audience Network, User Intent Understanding, Native Ads Selection
User Intent UnderstandingNative Ads SelectionMachine LearningAlgorithm Design

Microsoft

Associate Researcher

Jul 2008 – Jul 2013 · 5 yrs · Beijing

  • MSRA, social network analysis, algorithmic game theory, computational geometry
Social Network AnalysisAlgorithmic Game TheoryComputational GeometryAlgorithm DesignMachine Learning

Education

The Hong Kong University of Science and Technology

PhD — Computer Science

University of Science and Technology of China

B.E — Computer science

Jan 1997 – Jan 2002

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