Jieyi Zeng

about me / who I am

Learning by building.

Math taught me to look for structure; psychology taught me to pay attention to people. I enjoy using data to connect the two, and I like making small automations that make everyday tasks less tedious.

Excel SQL Python Tableau
analyze

Data

Ask questions, test ideas, and see what the numbers actually support.

build

Automation

Use Python and Excel to handle the routine steps.

explore

Research

Read closely, compare sources, and follow a question until the picture is clear.

coursework / personal projects

Projects

File 02

JobLink Tracker

A Python tool that turns saved job links into organized Excel rows.

Python Excel OpenPyXL Automation
File 03

Auto Claims Frequency

An insurance analysis comparing Poisson and negative binomial models for claim counts.

Python Poisson Negative Binomial Pandas

experience / beyond the projects

Experience

I've worked in classrooms, campus recreation, and medical records. Each role taught me to pay attention, explain things patiently, and follow through.

Aug 2025
Dec 2025

Undergraduate Teaching Assistant

Stony Brook University / Linear Algebra

I helped students work through linear algebra, noticed where people were getting stuck, and made abstract ideas feel less intimidating.

Sep 2023
Feb 2025

Residential Fitness Center Assistant

Stony Brook Campus Residences

I answered questions, handled issues as they came up, and kept things moving in a busy student-facing space.

Jun 2023
Aug 2023

Medical Records Assistant

Boro Park Center for Rehabilitation and Healthcare

I checked patient records for missing or inconsistent information and learned how important accuracy is when the details are sensitive.