Morgan Chambers

Head of Data · Recommendation systems · ranking

Radix Commerce

Boston, MA · ET (UTC-5)

13+ years experience

Boston University

English

Advising Hiring

Messaging unavailable

Overview

Currently at Radix Commerce, where I lead recommendation systems with a team of 43. Shipped a ranking change that increased conversion 2.9%. Moved the homepage from rules to a learned ranker. Before that: Mastercard and MongoDB. I tinker with 3D printers.

Good reasons to reach out

Candidates for the role I'm hiring for
Advice on recommendation systems
Speaking or podcast invitations

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Survey or panel invitations
Offshore staffing offers
Unpaid work or spec projects

Prefers short, specific messages

Skills

Pythonrankingrecommender systemsembeddingsBayesian statistics

AdvisingOpen to advising

closes in 3 months

Office hours for teams building their first data stack: recommendation systems and Bayesian statistics

Topics: recommendation systems, recommender systems, Python
Format: Formal advisor role
Terms: Paid
Capacity: One advisory role at a time
Best for: Engineers moving into leadership

20 years of recommendation systems. Small equity or paid hours - flexible.

Boston, MA · remote OKrankingrecommender systemspython

Open

HiringHiring for a role

closes in 3 months

Looking for a data analyst who has worked on ranking at scale

Role: Data analyst
Level: Senior
Type: Full-time
Work mode: Hybrid
Compensation: $152k-$182k
Team: Recommendations, 4 people
Start: Within a month
Must have: Strong SQL and statistics Turns analysis into decisions Ownership of something end to end
Process: Intro call, technical deep dive, team chat

Comp $164k-$291k. Four conversations, no take-home. Message me with one thing you shipped that you're proud of.

Boston, MAembeddingsrankingbayesian statistics

Open

Experience

Head of Data
Jul 2022 - Present
Radix Commerce · 4 yr 3 mo · Full-time · Boston, MA
- Wrote the metric definitions the leadership team reviews every week.
- Shipped a ranking change that increased conversion 3.3%.
- Replaced 38 hand-built dashboards with one metrics layer people trust.
Analytics Manager
Apr 2021 - Jul 2022
Mastercard · 1 yr 3 mo · Full-time · Boston, MA
- Built the recommendations models now used in 3 product decisions a quarter.
- Moved the homepage from rules to a learned ranker.
Staff Data Scientist
Feb 2019 - Apr 2021
MongoDB · 2 yr 2 mo · Full-time · Boston, MA
- Shipped a ranking change that increased conversion 4.4%.
Staff Data Scientist
Oct 2016 - Feb 2019
IBM · 2 yr 4 mo · Full-time · Boston, MA
- Built the recommendations models now used in 7 product decisions a quarter.
- Wrote the metric definitions the leadership team reviews every week.
Senior Data Scientist
Mar 2014 - Oct 2016
Johnson & Johnson · 2 yr 7 mo · Full-time · Boston, MA
- Built the recommendations models now used in 5 product decisions a quarter.

Projects

Conference talk: lessons from recommendations

2025

What went wrong and what worked while scaling recommendation systems.

Recommendation systems benchmark

2022

Reproducible benchmarks comparing recommender systems and ranking on real workloads.

References

No references yet.

Education

Boston University
BS, Physics
2002 - 2006

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