John Callahan
Neenah,WI
Summary
Analytical and detail-oriented undergraduate with a strong foundation in business economics and a passion for leveraging data to drive decision-making. Proficient in data visualization, ETL processes, and AI integration, with a focus on human-computer interaction (HCI). Experienced in managing multiple projects, delivering high-accuracy results, and collaborating effectively with teams. Committed to continuous learning and applying economic principles to solve complex problems creatively.
Overview
4
4
years of professional experience
Work History
Undergraduate Researcher
University of Wisconsin - Eau Claire
Eau Claire, WI
09.2023 - Current
- Conducted economic research on online learning impact at UWEC using Python (pandas, matplotlib, numpy)
- Developed Simple Linear Regression (SLR) and Multiple Linear Regression (MLR) models in R to analyze complex datasets
- Presented findings at the CERCA conference; ongoing research aimed at major conference presentation in 2025.
Personal Lawn Mowing Business
Self-Employed
Neenah-Appleton, WI
05.2020 - Current
- Developed and maintained effective client relationships, securing repeat business
- Implemented feedback to improve service quality continuously.
Data Analyst Intern
Kimberly-Clark
Neenah, WI
05.2024 - 08.2024
- Enhanced Power BI dashboards for improved KPI visualization.
- Collaborated with cross-functional teams to understand data requirements and deliver actionable insights.
- Consulted with customers to develop dashboards, metrics and outcomes evaluations.
- Integrated data from multiple sources (Oversight, Source, FTP, Concur, PredictX, and Workday) using Microsoft Fabric and Power Automate
- Utilized KNIME for data cleaning and automation, reducing manual workload by 25% and ensuring data accuracy.
- Collaborated with other teams to develop analytics solutions that provide value-added insights.
Bartender
Xe54
Neenah, WI
05.2023 - 08.2023
- Achieved excellent customer satisfaction by efficiently handling and resolving complaints and conflicts.
- Adapted to dynamic situations, demonstrating sound decision-making skills while under pressure. Increased sales through the development of innovative drink combinations and effective team collaboration.
Outside Operations
Ridgeway Country Club
Neenah, WI
06.2021 - 11.2022
- Achieved revenue growth by implementing improved operational processes
- Enhanced performance metrics tracking, providing actionable insights to management
- Supported operations by collaborating with leadership to direct workflow effectively.
Online Grocery Personnel
Walmart
Neenah, WI
10.2020 - 05.2021
- Achieved 98% order accuracy and timely delivery
- Consistently met customer requirements and service expectations
- Managed substitutions and informed customers of changes, maintaining high customer satisfaction.
Education
Bachelor of Business Administration (B.B.A.) - Economics. Minor in Information Systems -
University of Wisconsin - Eau Claire
Eau Claire, WI05.2026
Skills
- Data Visualization (Power BI)
- ETL Processes (KNIME)
- Problem Solving
- Communication
- Python (pandas, matplotlib, numpy)
- R (regression modeling)
- Technology Integration
- Economics
- AI manipulation for coding
- SQL (familiarity)
- Market Research
- Business Analysis
Projects
Economic Impact of Online Learning Research, Utilized Python to extract and analyze data on online learning effectiveness at UWEC., Developed SLR and MLR models to identify key factors influencing student performance in online environments., Created data visualizations using matplotlib to present findings effectively.
Awards
- Bright Futures Scholarship Recipient, 2022 - Kimberly-Clark
- Incubator Edu-Business Development Award
Additional Information
Junior standing undergraduate with a strong desire to further academic and career goals through hands-on experience and professional development. Known for deep critical thinking and the ability to solve complex problems creatively by applying economic principles and advanced data analytics techniques. Proficient in leveraging AI tools to enhance coding efficiency and problem-solving capabilities.
Websites
State
WI
City
Neenah
Zip
54956
Timeline
Data Analyst Intern
Kimberly-Clark
05.2024 - 08.2024
Undergraduate Researcher
University of Wisconsin - Eau Claire
09.2023 - Current
Bartender
Xe54
05.2023 - 08.2023
Outside Operations
Ridgeway Country Club
06.2021 - 11.2022
Online Grocery Personnel
Walmart
10.2020 - 05.2021
Personal Lawn Mowing Business
Self-Employed
05.2020 - Current
Bachelor of Business Administration (B.B.A.) - Economics. Minor in Information Systems -
University of Wisconsin - Eau Claire