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rlc93/README.md

Hi, I'm Randy Crystian Jr. πŸ‘‹

Senior Analyst | Experimentation β€’ Causal Inference β€’ Growth Analytics

Based in Dallas, TX

I work at the intersection of audience strategy, CRM segmentation, and performance measurement β€” helping marketing teams target the right customers, test smarter, and prove impact. Currently a Senior Analyst at Hilton, where I design and support scalable audience segments for Hilton Honors (100M+ members) across CRM and loyalty activation.

I'm preparing to transition into Product Data Science, with a focus on experimentation frameworks, causal measurement, and incrementality. Starting the MS in Data Science at UT Austin in Spring 2027.


πŸ› οΈ Stack

Languages: SQL, Python (pandas, scikit-learn, NumPy), basic R
Data & BI: Amazon Redshift, Databricks, Treasure Data, Tableau, Power BI, Excel
Activation: Braze
Other: Git, Jira, Confluence


πŸ“Œ Featured Projects

  • πŸ€ vegas-sports-edge β€” Sports prediction framework with causal inference and calibration rigor, benchmarked against Vegas closing lines; produces daily game forecasts and isolates the true causal effect of back-to-backs. NBA first; NFL in progress.
  • πŸ” Balaji Fast Food Sales Analysis β€” EDA on restaurant sales data; identified peak-hour patterns and item performance drivers to inform revenue strategy
  • πŸ’³ Credit Risk Evaluator β€” Logistic Regression vs. Random Forest comparison on lending data; evaluated using AUC and precision-recall to handle class imbalance

🌱 Currently Learning

  • Calculus 3 (Dallas College, Spring 2026)
  • Linear Algebra (Dallas College, Spring 2026)
  • Causal Inference & Experimental Design β€” self-study
  • Preparing for MS in Data Science at UT Austin (Spring 2027)

πŸ“« Connect

πŸ“« LinkedIn
πŸ“§ rlc93@georgetown.edu
πŸ“ Dallas, TX

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  1. Balaji-Fast-Food-Sales-Analysis Balaji-Fast-Food-Sales-Analysis Public

    The goal of this analysis is to uncover actionable insights from a fast food restaurant's sales data to drive smarter business decisions. By analyzing item performance, peak sales times, and transa…

  2. Credit-Risk-Evaluator Credit-Risk-Evaluator Public

    Jupyter Notebook