Ivan Xiao
Engineering Manager at Meta
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolIvan Xiao is an engineering manager in San Francisco with 17 years of experience building large-scale, data-driven products and applying ML to improve real-world user experiences. He currently leads efforts on News Feed recommendation systems at Meta, operating at billion-user scale and driving relevance, integrity, and distribution for services like Marketplace and Local News. His background spans hands-on research and production roles at Facebook—where he helped pioneer feed integrity, explainable ML features like "Why Am I Seeing This," and session-level behavior modeling—through to academic research and teaching in top institutions. Comfortable across the full stack, Ivan blends scrappy execution with rigorous experimentation to ship impactful systems. He holds advanced degrees from The Chinese University of Hong Kong and the University of Illinois Urbana-Champaign, reflecting a strong foundation in both theory and applied ML. Colleagues would describe him as a product-minded engineer who turns complex ML research into scalable, user-facing features.
17 years of coding experience
12 years of employment as a software developer
The Chinese University of Hong Kong (CUHK)Bachelor, Computer Science, Bachelor, Computer Science at Sun Yat-sen UniversityUniversity of Illinois Urbana-ChampaignHong Kong University of Science and Technology (HKUST)
English, Chinese, Chinese, Hakka
Stackoverflow
1,939reputation
133kreached
9answers
11questions
Github Skills (124)
python10
ruby10
scrapy10
crawler10
crawling10
scraper10
algolia9
citations9
linux9
music9
bibtex9
csl9
subsonic9
jekyll-theme9
homebrew9
Programming languages (13)
Github contributions (5)
iveney/iveney.github.com
Feb 2009 - Dec 2017
Contributions:57 commits, 3 pushes in 9 years
iveney/drouting
Feb 2009 - Aug 2010
Contributions:158 commits in 1 year 6 months
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