Aaron Shelton

S

Head of Data at Wren Health · embeddings, PyTorch

Wren Health
Portland, OR · PT (UTC-8)
11+ years experience
Boston University
English
Hiring
Messaging unavailable

Overview

Currently at Wren Health, where I lead recommendation systems with a team of 58. Replaced 73 hand-built dashboards with one metrics layer people trust. Most at home with PyTorch and Spark. Learning to sail.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Working sessions on recommender systems
Please don't message about
  • Data broker offers
  • Agency or outsourcing pitches

Replies on weekday evenings

Skills
rankingPythonSparkPyTorchrecommender systemsembeddings
HiringHiring for a role
closes in 3 months

Looking for a data scientist who has worked on Spark at scale

Role
Data scientist
Level
Mid
Type
Contract
Work mode
Hybrid
Compensation
$145k-$212k + equity
Team
Recommendations, 18 people
Start
Within a month
Must have
Strong SQL and statistics Turns analysis into decisions Comfort with ambiguity
Process
Two interviews and a paid trial day

Comp $205k-$283k. We decide within ten days. Message me with one thing you shipped that you're proud of.

Portland, ORpythonpytorchspark
Open

Experience

  1. Head of Data
    Nov 2024 - Present
    Wren Health · 1 yr 11 mo · Full-time · Portland, OR
    • Wrote the metric definitions the leadership team reviews every week.
    • Built the recommendations models now used in 3 product decisions a quarter.
  2. Director of Data Science
    Nov 2021 - Nov 2024
    Fidelity Investments · 3 yr · Full-time · Portland, OR
    • Wrote the metric definitions the leadership team reviews every week.
  3. Staff Data Scientist
    Mar 2020 - Nov 2021
    Starbucks · 1 yr 8 mo · Full-time · Portland, OR
    • Taught SQL to 100 non-analysts.
  4. Senior Data Scientist
    Jan 2017 - Mar 2020
    Capital One · 3 yr 2 mo · Full-time · Portland, OR
    • Taught SQL to 108 non-analysts.
  5. Data Scientist
    Sep 2015 - Jan 2017
    Block · 1 yr 4 mo · Full-time · Portland, OR
    • Taught SQL to 154 non-analysts.
    • Replaced 93 hand-built dashboards with one metrics layer people trust.

Projects

Conference talk: lessons from recommendations
2022

What went wrong and what worked while scaling recommendation systems.

References

No references yet.

Education

  1. Boston University
    BS, Statistics
    2006 - 2010

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