• Arena empowers businesses across industries to make high frequency, critical path decisions fully autonomous.
• Develop machine learning systems to solve real-world problems faced by our customers in the CPG space.
• Build quick exploratory/experimental models, APIs and products.

Arena Website

• Designed ML solutions that accurately estimate device locations with satellite data (reduced GPS error by 42.0%). Developed an advanced Kalman filter technique that combines Weighted Least Squares optimization, Kalman filter, and boosting.
  Python Google Decimeter Challenge:Advanced Kalman Filter
• Performed exploratory data analysis of NYC building data using SQL and Python. Identified urban development trends and visualized how neighborhoods bloomed during each construction boom.
  SQL Python New York City: Booms and Blooms
• Applied statistical analysis and ML techniques to investigate the effects of competition and monopoly on airfare for the top 10 airlines. Identified different pricing models for regular and low-cost carriers.
  R Competition and Monopoly in the US Airline Industry
• Constructed price prediction models and developed an interactive dashboard (R shiny) in order to increase customer engagement. Estimated the geographic value by performing 2D-Gaussian surface fitting.
  Python R Improving Client Experience with Machine Learning

• Developed 3D print path generation software and reduced the preparation time by ~95% and the print time by ~13%.
• Analyzed material test data and developed new 3D printing materials meeting international standards.
• Led technical training on CNC coding, machine operation, and material science for employees and customers.

• Analyzed high-dimensional chemical data with MATLAB and Python (PCA ∙ n-point correlation function ∙ signal processing ∙ curve fitting) to identify, classify, and characterize materials.
  Key Publication Time-Space-Resolved Chemical Deconvolution of Cementitious Systems using Raman
  Key Publication Nacre Toughening due to Cooperative Deformation of Aragonite Platelets
• Built an interactive webpage for investigating the impact of COVID-19 on socially vulnerable youth.
• Published 9 journal papers through collaborations with interdisciplinary research groups at MIT, Harvard, Cornell, etc.
• Founded and co-led department's Communication Lab - coached peers on writing/speaking/visual communication skills.
• Supervised and instructed undergraduate and graduate students for 5 semesters.

Merits
Dean's List, Honor Student, Merit Scholarship, Korean National Scholarship, Top National Scholarship