Nicole Jeong

Experience

Virgin Galactic

Tustin, CA

Data Scientist

7/2023 – Present

  • Improved data discrepancies using natural language processing and k-means clustering techniques
  • Deployed and maintained all the People Team’s pipelines in Azure Data Factory 
  • Designed dimensional model tables in SQL Server from scratch to support rapid analytics and ML modeling
  • Produced People insights and inferences on topics such as productivity, teammate experience, and talent acquisition tailored for company leaders in Power BI

GoGuardian

Remote

Data Scientist

11/2021 – 7/2023

  • Deployed revenue-related ML forecasts (cash flow, customer pipeline health, ARR) in Databricks achieving a mean absolute percent error of less than 2% on 6-month revenue
  • Predicted customer churn of our highest revenue SaaS product with XGBoost, achieving a ROC AUC over .8 
  • Designed Tableau tools to visualize and monitor ML model results, facilitating data-driven decision-making for finance, sales, and product teams

Business Intelligence Manager

12/2019 – 11/2021

  • Led a team of 3 BI Analysts, delivering data products for sales, finance, marketing, people, and product teams 
  • Built dashboards in Tableau and Looker with key performance indicators
  • Defined company-wide SaaS metrics (e.g., TAM, churn, renewals, cash flow) with sales and finance leaders during the company’s high-growth stage 
  • Collaborated with engineers on the Redshift data warehouse dimensional model and documentation

Zillow Group

Irvine, CA

Data Integration Manager

7/2019 – 12/2019

  • Analyzed parcel assessment files using SQL, Tableau, and Python 
  • Mapped and automated critical fields to Zillow’s MS SQL Server schema 
  • Identified inefficiencies and improved processes for ensuring Zillow’s proprietary parcel data were accurate
  • Built Tableau dashboards using internal systems and Trello to manage and monitor team progress and projects
  • Managed a team of 6 responsible for preparing data for analysis

KIPP LA Public Schools

Los Angeles, CA

Senior Manager, Analytics

7/2013 – 7/2019

  • Designed and delivered data skills curriculum for non-technical staff
  • Developed interactive Tableau dashboards on student, employee, and operational data 
  • Created ETL pipelines using Python and bash 
  • Developed regression and classification models on student achievement 
  • Maintained 100% satisfaction rate in Helpdesk support for over 800 teachers and staff 
  • Managed a high-performing analytics team and developed a multi-year growth plan 
  • Managed PostgreSQL data warehouse development and maintenance 
  • Presented findings and professional development for teachers and staff 

Education / Fellowships

Strategic Data Project Fellow

Center For Education Policy Research at Harvard University

8/2016 – 9/2018

Master of Public Policy

University of Southern California

8/2011 – 5/2013

Bachelor of Arts in Economics and Political Science

University of California, Irvine

8/2016 – 9/2018

Korean Economics and Intermediate

Korean Yonsei International Summer School

6/2008 – 8/2008

Skills

Tools

  • SQL Engines (SQL Server, Redshift, Postgres)
  • Python (pandas, scikit learn, plotly)
  • Tableau
  • Looker
  • Power BI
  • Azure Data Factory
  • Databricks
  • Github

Data Analytics

  • Data Visualization
  • Dashboard Development
  • SaaS Metrics Definition
  • KPI Metrics Definition
  • Executive Team Support
  • Dimensional Modeling

Data Science

  • ML Algorithms (XGBoost, Random Forests, Linear Regression, NLP)
  • Time-Series Forecasting (SARIMAX, Prophet)
  • k-means clustering

Other Work

Data Consultant/ Independent Contractor

  • Education Exponents (2022-Current)
  • KIPP SoCal Public Schools (2019-Current)
  • KIPP Foundation (2018-19)