Projects

A small selection of applied analytics projects and research work. Most of my industry projects lived inside organizations and aren't publicly shareable in detail; however, what's listed here reflects what I can describe without compromising confidentiality.

Core Competencies

neurology

Data Science & ML

Python Sklearn Forecasting A/B Testing LLM Fine-tuning Quant. Modeling
psychology

I/O Psychology

Psychometrics Survey Methodology Personnel Selection Job Analysis Org. Research
terminal

Tools & Platforms

R SQL Databricks Power BI Snowflake Excel

Interactive Tools

Public-facing tools and prototypes for navigating I/O psychology, people analytics, and applied ML careers.

I/O & People Analytics Skills Navigator

An interactive upgrade to the I/O Psychology and People Analytics skills matrix, designed to help students, HR practitioners, analysts, and people-science teams explore role requirements, compare adjacent roles, identify skill gaps, and build practical learning roadmaps.

Interactive Tool · In Development
filter_alt

Explore Matrix

Filter by role, skill domain, importance level, career stage, and orientation.

compare_arrows

Compare Roles

See shared critical skills, distinguishing skills, and nearby career paths.

fact_check

Assess Gaps

Rate current skill levels and map the biggest gaps against target roles.

work

Open Roles

Scan current role openings by role family, remote status, and adjacent career path.

I/O Psychology People Analytics Skills Matrix Career Navigation
Launch Navigator arrow_forward Open Roles work Reference Repo open_in_new

Applied Projects

Industry work at Block and TruStage Insurance. Details are described at the level I can share.

Headcount Forecasting Pipeline

Block · 2025

Built an end-to-end pipeline to forecast incoming headcount for Block's Finance and Strategy department. Achieved greater than 85% accuracy, enabling the team to plan resourcing ahead of quarterly cycles without relying on vendor tooling.

Python Databricks Forecasting

Employee Survey LLM Analysis

TruStage · 2023

Fine-tuned a large language model to analyze tens of thousands of open-ended employee survey comments. Reduced the time from data collection to actionable insights by approximately 80%, making this kind of qualitative analysis feasible at organizational scale.

LLM Fine-tuning NLP Python

Engineering Health Metrics Pipeline

Block/Square · 2024

Designed an end-to-end data pipeline for the Square Engineering function linking system outages to operational response and stabilization timelines.

SQL Python Databricks

Salary Modeling Application

TruStage / Block

Developed a custom compensation modeling application integrating payroll data and linear regression outputs to support the compensation team. Reduced dependence on external vendor tools, saving approximately $60K in annual licensing costs.

Python Regression Databricks

Student Selection Dashboard

Winfred Arthur · 2019

Redesigned the veterinary school's student admissions dashboard (VBA and Excel) for a university client.

VBA Excel Psychometrics

Research Projects

Academic and independent research work with publicly accessible outputs.

Ordered Piecewise Additive Learner (OPAL)

Preprint · 2026

A hybrid regression algorithm that combines the interpretability of piecewise linear functions with the flexibility of regression trees. The goal is to improve prediction accuracy on structured, ordered data while maintaining a model that practitioners can actually explain.

Machine Learning Regression Python
Preprint arrow_forward

Survey Response Quality Research

Published · 2021

Research on identifying and preventing careless and deceptive responding in organizational surveys, co-authored with Winfred Arthur Jr. and Erin Hagen. Published in the Annual Review of Organizational Psychology and Organizational Behavior. This is the most-cited work I've contributed to, with 139 citations as of May 2026.

Psychometrics Survey Design
See Paper arrow_forward