Matthias Felleisen
Founder at TeachScheme also known as Program By Design
Boston, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolMatthias Felleisen is a veteran computer scientist and founder with 27 years of experience pioneering computer science education and programming language design from Boston. As the founder of TeachScheme/Program By Design and a long-standing leader at PLT Design, he has combined academic rigor—PhD in Computer Science and Logic—with practical tools and curricula that shaped how programming is taught. He contributes quietly but impactfully to open source, improving Racket documentation and teachpacks to make advanced concepts more accessible. Known for preferring substantive collaboration over networking for its own sake, he focuses on durable educational and technical contributions rather than self-promotion. His work blends deep theoretical insight with pragmatic instructional design, a combination that has influenced generations of students and educators.
26 years of coding experience
The University of ArizonaDiplom (~BS), Wirtschaftsingenieur, Diplom (~BS), Wirtschaftsingenieur at Technische Universität KarlsruhePhD, Computer Science, Logic, PhD, Computer Science, Logic at Indiana University Bloomington
Github Skills (3)
scribble10
documentation10
racket8
Programming languages (4)
Github contributions (5)
racket/racket
Jul 2005 - Jul 2022
The Racket repository
Role in this project:
Technical Writer
Technical WriterContributions:14 reviews, 921 commits, 25 PRs in 17 years 2 months
Contributions summary:Matthias's commits focus on correcting typos and improving the documentation within the Racket repository, specifically concerning the teachpacks. The changes primarily involve correcting spelling mistakes and making minor revisions to existing explanations. Additionally, the user updated documentation related to a universe-based project with additional examples, descriptions, and clarifications.
code-golfschemepolyglotlanguage-designprogramming-languages
mfelleisen/web
Jun 2016 - Mar 2025
Contributions:1877 pushes, 1 branch, 1 comment in 8 years 10 months
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