Jian Xu
Head Of Data Strategies Group
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJian Xu is Head of Data Strategies Group at Citadel with 11 years of experience turning trillion-scale noisy datasets into actionable signals that directly influence multi-asset trading decisions. He built and scaled the firm's central alternative data research team, pioneered standards for representative panel construction and bias correction, and launched the Alternative Data Observatory used weekly by over 30% of investment professionals. Trained as a network scientist with a PhD from Notre Dame, Jian has published work in Science Advances and invented higher-order network methods that he translated from academia into production alpha-generating features. He combines deep quantitative research, machine learning, and operational rigor to bridge novel data sources and front-office execution, and is recognized internally as the go-to expert on alternative data since 2018.
11 years of coding experience
12 years of employment as a software developer
High School, High School at No. 1 Middle School Attached to CCNUB. Sc Electronics Engineering, B. Sc Electronics Engineering at Fudan UniversityDoctor of Philosophy (PhD) Computer Science, Doctor of Philosophy (PhD) Computer Science at University of Notre Dame
Chinese, English, Shanghainese
Stackoverflow
328reputation
7kreached
2answers
1question
Github Skills (30)
lisp-interpreter10
temporal9
common-lisp9
lisp9
ime8
input-method6
parallel-processing6
android6
emacs6
slime6
python6
sbcl6
debugging6
opencc6
price-data5
Programming languages (4)
Github contributions (5)
xyjprc/hon
Feb 2015 - Oct 2019
Code for generating Higher-order Network (HON) from data with higher-order dependencies
Contributions:87 commits, 81 pushes, 9 comments in 4 years 9 months
hondependencieslisp-interpreterlispcommon-lisp
xyjprc/SF-HON
Sep 2018 - Sep 2018
Contributions:5 commits, 4 pushes, 1 branch in 1 day
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