Justin Shea
Co-Founder at University of Illinois Chicago
Chicago, Illinois, United States
Summary
👤
Senior🎓
Top SchoolJustin Shea is a quantitative finance educator and practitioner who blends 11+ years of trading and consulting experience with academic leadership as a Senior Lecturer at University of Illinois Chicago and co-founder of 7 Systematic. He transitioned from managing futures and options portfolios to building reproducible statistical programs in R and Python, authoring tools like the phoenixdown package and an R companion for a major econometrics textbook. Justin mentors open-source quantitative finance projects and student capstones, organizes Chicago R and PyData communities, and has evaluated Google Summer of Code projects—signal of deep commitment to community-driven tooling. His work spans portfolio optimization, machine learning for finance, Shiny apps, and production research workflows for institutional clients, combining hands-on strategy development with pedagogy. An uncommon strength is his ability to translate live trading experience into classroom-ready, open-source software that accelerates student and practitioner workflows.
11 years of coding experience
14 years of employment as a software developer
Physics & Finance, Physics & Finance at Goshen CollegeJohns Hopkins UniversityMaster’s Degree, Economics, Master’s Degree, Economics at Roosevelt University
Stackoverflow
1,390reputation
151kreached
40answers
0questions
r
top-5%
Github Skills (61)
r-package10
statistical-learning10
r10
hamilton10
time-series10
econometrics10
data-import10
cran10
sec9
simulation9
charting9
climate-science9
finance9
quantitative9
rcpp8
Programming languages (6)
Github contributions (5)
JustinMShea/StatisticalLearning
Jun 2017 - Jul 2018
Course offered online through Stanford closely following the text "An Introduction to Statistical Learning, with Applications in R" (James, Witten, Hastie, Tibshirani - Springer 2013).
Contributions:85 commits, 23 pushes in 1 year 1 month
rstatistical-learning
JustinMShea/RUGtools
Apr 2018 - Sep 2022
R package containing data, functions, reports, and custom R Markdown templates routinely used for organizing the Chicago R user group meetups.
Contributions:142 commits, 3 PRs, 45 pushes in 4 years 6 months
rr-packagermarkdownchicago
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