Hi, I'm Jeffrey Cohen.

Purple Workshops

I build software, teach, and run beginner-focused workshops for programmers. Here's what I'm working on right now.

Now

Work in progress

The Aha Map

My current work-in-progress. Come take an early look.

theahamap.com New workshop · 2027

Modern Rails Deployment for Beginners

  • In person · Jan 2027 · Denver
  • Virtual online · Feb 2027
  • $199 · 2 days
Details & waitlist
Software for Research

Software for Research

My software company. We build software for clinical and behavioral science research at academic institutions.

softwareforresearch.com The University of Chicago

University of Chicago

My part-time work. I teach web development and applied software engineering in the Department of Computer Science.

Faculty profile

Beginner-Focused Workshops

Small-group training for early-career developers. Browse the full Purple Workshops catalog, past and upcoming.

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