Clarence San

Data Science and Analytics professional with 5+ years industry experience

Education

Jan 2022 – Jul 2023

GMAT 750 (98th percentile)
Coursework - Applied Machine Learning, Big Data Techniques, Data Science for Business, Machine Learning Engineering, Statistical Analysis, Spreadsheet Modelling

Dec 2016 – Dec 2018

Coursework - Digital Media Research, Research Methods, Comparative Media Systems, Marketing Communications

Jan 2022 – present

Designed and implemented a relational data wareshouse using BQ and dbt; reduced computation requirements of pipelines >10%
Built and managed tableau and looker studio dashboards, consisting of >50 SQL queries for 11 markets in the APAC region
Wrote and open sourced python libraries and applications
Automated email sendouts and presentations for business stakeholders; reduced time to query data and prepared monthly reports from 4 hours to 30 minutes
Managed a large-scale source migration of >200 dbt models with 0 incidents; eliminated timeout errors by refactoring dbt models; identified and deprecated 40+ redundant models to save >$300 USD in monthly cloud expenses

Aug 2019 – Jan 2021

Developed analytic models - methodologies included Structural Equation Modelling, Regression, Classification, Segmentation, Ensemble modelling and Marketing Mix Modelling
Conceptualize and spearheaded an APAC-wide knowledge session on improving MS Excel workflows - 500+ attendees
Instituted a repository of ~20 Python, R, and VBA scripts to streamline workflow efficiency and reduce time required for menial checks by more than 80%

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