Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Jonghoon Park

BERKELEY,CA

Summary

Dynamic data professional with hands-on experience in field-based projects and startup environments, where I defined problems independently, and delivered data-driven solutions. At Samsung Electronics, I contributed to ML model optimization, enhancing performance through advanced techniques. Proficient in Python and SQL, I specialize in predictive modeling and A/B testing. My strong analytical mindset, coupled with a collaborative and adaptable approach, enables me to drive impactful results and create real business value in diverse, fast-paced environments.

Overview

8
8
years of professional experience

Work History

‬ Startup Course Base(Engin 183C)

Challenge Lab
Berkeley, CA
01.2025 - Current
  • Conducted over 15 user discovery interviews to identify unmet needs in academic communities.
  • Contributed to MVP planning by translating interview insights into actionable product requirements.
  • Collaborated on early-stage AI service concept development and hypothesis-driven market testing.

Course Base(Indeng115)

FiveW Project – ML & DB Engineer
Berkeley, CA
08.2024 - 12.2025
  • Designed a normalized MySQL schema for social media datasets (users, posts, and interactions).
  • Built a Random Forest model (85% accuracy) to predict post engagement based on metadata.
  • Developed a TF-IDF and cosine similarity-based recommendation engine for tailored paper/job suggestions.

S/W Enginering Intern

Samsung Electronics
Suwon, South Korea‬ ‭
06.2024 - 08.2024
  • ‭ Researched OpenXLA compiler optimizations to enhance ML model performance by up to 20.57%.‬
  • ‬‭ Compared AI framework integration (TensorFlow, PyTorch, JAX) for workflow optimization
  • Conducted performance benchmarking on Transformer models and presented findings to engineering‬ teams.‬

Administrative Assistant (Social Service Agent)

Republic of Korea Army
Gyeonggi, South Korea
06.2021 - 03.2023
  • Managed school financial records, including budget tracking and expense reporting, ensuring accuracy and compliance with regulations.
  • Utilized Microsoft Excel to organize financial data and streamline reporting processes, improving administrative efficiency.
  • Supported administrative operations, including scheduling, documentation, and interdepartmental coordination, contribute to a well-structured office environment.

Disability Center Math & Chemistry Tutor (Part-tim

Santa Monica College
Santa Monica, CA
03.2018 - 05.2019
  • Provided one-on-one and group tutoring sessions for students with disabilities, focusing on Chemistry and Math concepts.
  • Adapted teaching methods to accommodate diverse learning needs, ensuring accessibility and understanding for all students.
  • I learned the importance of empathy, simplifying complex concepts for easier understanding, and respecting individual differences through personalized support.

Education

Bachelor of Arts - Data Science

UC Berkeley
Berkeley, CA
12-2025

Skills

Programming & Technical

  • Python (Pandas, Scikit-learn, PyTorch)
  • Java
  • SQL
  • Data Pipelines

Analytics & Visualization

  • EER modeling
  • A/B Testing
  • Hypothesis Testing
  • DeepNote
  • Causal inference

Big Data & Modeling

  • Prediction modeling
  • Statistical analysis
  • Time-Series Modeling

Languages

English
Professional
Korean
Native/ Bilingual

Timeline

‬ Startup Course Base(Engin 183C)

Challenge Lab
01.2025 - Current

Course Base(Indeng115)

FiveW Project – ML & DB Engineer
08.2024 - 12.2025

S/W Enginering Intern

Samsung Electronics
06.2024 - 08.2024

Administrative Assistant (Social Service Agent)

Republic of Korea Army
06.2021 - 03.2023

Disability Center Math & Chemistry Tutor (Part-tim

Santa Monica College
03.2018 - 05.2019

Bachelor of Arts - Data Science

UC Berkeley
Jonghoon Park