Charles Harrison

Staff Data Scientist at Westbrook Software · Experimentation · A/B testing, SQL

Westbrook Software

Boston, MA · ET (UTC-5)

12+ years experience

Columbia University

English

Co-founder

Messaging unavailable

Overview

12 years in data science and analytics, the last 3 at Westbrook Software, where I work on the experimentation team. Ran 278 experiments last year and made the readouts self-serve. Before that: McKinsey & Company and HubSpot. Kannada theatre fan.

Good reasons to reach out

People who want to build this with me
Speaking or podcast invitations

Please don't message about

Courses and coaching offers
Survey or panel invitations

Travels often; replies within 48 hours

Skills

A/B testingCUPEDcausal inferencePythonBayesian statisticsSQL

Co-founderLooking for a co-founder

closes in 3 months

Looking for an ML-focused co-founder for pet insurance for cloud-native startups

The idea: Looking for an ML-focused co-founder for pet insurance for cloud-native startups
Stage: Idea
I bring: 11 years in experimentation
Looking for: Technical co-founder who has shipped B2B software
Commitment: Full-time now
Location: Boston or remote

I bring 12 years of experimentation (currently Westbrook Software). Ideally you've shipped B2B software. Full-time from day one.

Boston, MA · remote OKsqlpythonbayesian statistics

Open

Experience

Staff Data Scientist
Jan 2024 - Present
Westbrook Software · 2 yr 9 mo · Full-time · Boston, MA
- Cut the time to a trustworthy experiment readout from 3 weeks to 5 days.
- Wrote the metric definitions the leadership team reviews every week.
Senior Data Scientist
Jun 2020 - Sep 2023
McKinsey & Company · 3 yr 3 mo · Full-time · Boston, MA
- Ran 222 experiments last year and made the readouts self-serve.
- Taught SQL to 73 non-analysts.
Data Scientist
Mar 2019 - Jun 2020
HubSpot · 1 yr 3 mo · Full-time · Boston, MA
- Ran 117 experiments last year and made the readouts self-serve.
Data Analyst
Jun 2017 - Nov 2018
DoorDash · 1 yr 5 mo · Full-time · Boston, MA
- Cut the time to a trustworthy experiment readout from 3 weeks to 4 days.
Data Analyst
Oct 2014 - Jun 2017
Dell Technologies · 2 yr 8 mo · Full-time · Boston, MA
- Cut the time to a trustworthy experiment readout from 4 weeks to 3 days.
- Taught SQL to 110 non-analysts.

Projects

Conference talk: lessons from experimentation

2024

What went wrong and what worked while scaling experimentation.

References

No references yet.

Education

Columbia University
BA, Operations Research
2009 - 2013

Details

Compensation expectations

What they are targeting for their next role.

Visible to connections

Direct contact details

Direct email and a scheduling link.