Hi, I’m Jack — a data science leader in financial services, currently figuring out what’s next.
For most of the last decade I’ve been building marketing analytics, ML, and experimentation programs — leading teams at Discover and Grainger, shipping models that touch acquisition, retention, attribution, and CRO. I love the part of the job where messy data turns into a decision someone can actually act on.
Right now I’m in the middle of a career transition. I took a severance package, kept the mornings for my kids, and turned the rest into a kind of personal R&D sprint — deepening the parts of the ML stack I never owned at work, shipping side projects, and writing about it as I go.
What I’m up to
- Finished ML Zoomcamp. Took DataTalks.Club’s 4-month ML engineering track end to end — notebooks all the way to FastAPI / Docker / AWS Lambda. My capstone is a Lending Club loan-grade classifier deployed live as a containerized API, now with a Streamlit UI and explanation output.
- Diving into MLOps Zoomcamp. A free 9-week DataTalks.Club course on productionizing ML services — picking up where ML Zoomcamp left off. Excited to learn the fundamentals of MLOps end to end: training and experimentation through deployment and monitoring.
- Building The Offer Lab. A lightweight hub for interview prep and application tracking I vibe-coded for myself, then opened up to other folks in the job-search grind. Next.js + Prisma + Postgres, shipping new features based on real feedback.
- Shipped Story Theater. My daughter would rather watch Netflix than read, so I built her a choose-your-own-adventure picture book — 16 themes, six branching scenes, Claude writes each beat, Gemini paints it, and neural TTS reads it aloud with the active sentence lit up. Not a replacement for real books — just for the screen-time slot.
- Writing in public. Posting what I learn — both the wins and the “huh, that’s not how I thought it worked” moments — on the writing page.
Recent writing
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My daughter chose Netflix over books — so I built this app
An app I made for my daughter who is more into YouTube than books
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Notebook to Production, Part 2: My ML capstone now has a Streamlit UI—and better explanations
My ML Zoomcamp capstone now has a Streamlit UI—and better explanations
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From notebook to production: what ML Zoomcamp actually taught me
Share what I've learned through a free bootcamp