Sheryl Colaco
SSenior Data Scientist at Lakemont Technologies · A/B testing, CUPED
- Lakemont Technologies
- Chennai, India · IST (UTC+5:30)
- 9+ years experience
- College of Engineering, Pune
- English, Hindi, Tamil
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Overview
Based in Chennai. I work on experimentation at Lakemont Technologies. Replaced 26 hand-built dashboards with one metrics layer people trust. Wrote the metric definitions the leadership team reviews every week. Before that: PhonePe and Freshworks. Most at home with Bayesian statistics and Python. Outside work: long runs and longer podcasts.
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- Speaking or podcast invitations
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- Crypto token projects
- Offshore staffing offers
Skills
SQLA/B testingCUPEDBayesian statisticsPythoncausal inference
Experience
- Senior Data ScientistApr 2023 - PresentLakemont Technologies · 3 yr 6 mo · Full-time · Chennai, India
- Taught SQL to 166 non-analysts.
- Replaced 99 hand-built dashboards with one metrics layer people trust.
- Data AnalystSep 2021 - Apr 2023PhonePe · 1 yr 7 mo · Full-time · Chennai, India
- Taught SQL to 167 non-analysts.
- Data ScientistDec 2018 - Sep 2021Freshworks · 2 yr 9 mo · Full-time · Chennai, India
- Cut the time to a trustworthy experiment readout from 4 weeks to 3 days.
- Data AnalystJul 2017 - Dec 2018Mahindra Group · 1 yr 5 mo · Full-time · Chennai, India
- Replaced 39 hand-built dashboards with one metrics layer people trust.
Projects
Experimentation benchmark
2024Reproducible benchmarks comparing A/B testing and SQL on real workloads.
Open-source SQL toolkit
2024A small library for experimentation that 356 developers star on GitHub.
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Education
- College of Engineering, PuneB.Tech, Economics2011 - 2015
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