Joshua Chung Email & Phone Number

Remote, US

Boise, Idaho, US

- Developed a clustering model using HDBSCAN and UMAP to classify stores into different investmentstrategies, guiding $600 million in national investment to lower prices and capture market share.Created an interactive map visualization for business stakeholders to explore model-based investmentrecommendations.- Employed NLP techniques, PySpark, and.

West Jordan, Utah, US

- Spearheaded an effort to increase profit margins on multiple products by 50-100% by creating new product KPIs which identify market opportunities using NLP deep learning techniques and unsupervised learning methods on millions of product SKUs and then using said market opportunities to A/B test new prices.- Improved dropship sales time series modeling.

Berkeley, CA, US

- Wrote paper and software on new data science framework for data science competitions, using sensitivedata. Drafted all code necessary for analysis in paper, as well as custom modeling functions, to utilizeHPC environment and NERSC supercomputer.- Developed innovative approach for data-driven dimensionality reduction on Numerai’s heavily obfuscated data.

Berkeley, CA, US

- Achieved an AUC-ROC of.91 for daily binary forecasts of Apple stock prices by using 500,000 rows of training data, TensorFlow libraries, commonly used neural network architectures, and LSTMs. - Reduced the Apple stock dataset size by 40x using a Pandas ETL pipeline to transform the 21 million transactional data points into daily time steps to fit into.

Berkeley, California, US

- Collaborated with an undergraduate research team to build software utilizing Python, Pandas, and Numpy for the Public Editor fake news detection platform, where users can collectively rank the credibility of news articles on the web.- Designed inter-annotator agreement algorithms that work around low data depth and skewed distributions from users’.

Berkeley, CA, US

-Direct trainings for staff, emphasizing efficient communication and professionalism.-Supervise staff during shifts and meetings to meet security standards for dormitories.-Coordinate scheduling for staff and track employee performance to fairly delegate responsibilities.

Berkeley, CA, US

-Checked in students at UC dormitories, providing friendly and comforting environment to students. -Maintained the safety of residents through comprehensive security check-ins and patrols.-Trained in CPR, pepper spray, and active shooter protocol.

Master'S Degree, Information And Data Science

Bachelor’S Degree, Data Science

High School