Mark Cortes
Los Angeles,CA
Summary
Detail-oriented and motivated student pursuing a B.A. in Economics with an emphasis in Accounting and a minor in Data Science at the University of California, Los Angeles. Strong analytical and quantitative background developed through coursework in financial analysis, statistical modeling, and data visualization. Proficient in Excel, C++, SQL, and R for data analysis, visualization, and reporting. Eager to apply problem-solving, attention to detail, and teamwork skills in an internship focused on finance, accounting, or data analytics.
Overview
2026
2026
years of professional experience
Work History
Tutor
In-Person & Online Tutor
Wyzant
06.2025 - Current
- Tutored math, statistics, and Spanish to students from middle school to college level (25+ hours).
- Tailored lesson plans to learning styles, boosting student comprehension and confidence.
- Guided high school students through college essay drafting and revision.
Temp Worker
AppleOne
06.2023 - Current
- Managed inventory and shipment records with precision to support warehouse efficiency.
- Ensured accurate labeling and tracking of thousands of items per shift.
- Assisted in daily operational tasks to ensure workflow efficiency.
- Supported team members in various projects and tasks, enhancing collaboration.
Volunteer
Loma Linda University Medical Center
06.2022 - Current
- Provided support in administrative duties, maintaining organized records and files.
- Engaged in training sessions to learn safety protocols and best practices.
- Adapted quickly to various roles within the volunteer program, demonstrating flexibility.
Education
Bachelor of Arts - Economics, Statistics & Data Science
University of California, Los Angeles (UCLA)
Los Angeles, CA06-2027
Skills
- Tools: Excel (advanced functions, pivot tables), PowerPoint, R Studio, Visual Studio
- Concepts: Economic & financial modeling, statistical inference, data cleaning, object-oriented programming, algorithmic optimization
- Student assessment
- Subject tutoring
LANGUAGES
English (native), Spanish (fluent)
LEADERSHIP EXPERIENCE
Captain, UCLA Men’s Cross Country Team Led 30+ student-athletes, promoting teamwork, accountability, and high performance. Acted as liaison between coaching staff and athletes to improve communication and cohesion. Developed leadership, time management, and conflict resolution skills while balancing athletics and academics.
Large-Scale Data Cleaning & Exploratory Analysis in R — UCLA Stats 20 Project
- Processed and cleaned a multi-variable dataset (50,000+ entries) using R for data validation and outlier handling.
- Applied statistical functions and visualization packages to summarize key patterns and trends.
- Delivered a concise report interpreting results with data-driven insights on demographic and economic factors.
ACHIEVEMENTS
AP Scholar w/ Distinction Award (2023), Cum Laude Society (2023)
Timeline
In-Person & Online Tutor
Wyzant
06.2025 - Current
Temp Worker
AppleOne
06.2023 - Current
Volunteer
Loma Linda University Medical Center
06.2022 - Current
Tutor
Bachelor of Arts - Economics, Statistics & Data Science
University of California, Los Angeles (UCLA)