James Dellinger
James Dellinger
James Dellinger
Mountain View, CA First.LastName@gmail.com Kaggle Github
Make decision trees make use of categorical variables.
Building a random forests library with the best techniques for categorical splitting: classic CART, PCA rank encoding. Writing a textbook on performant implementations of decision tree algorithms.
Trading futures markets using a proprietary strategy based on George Douglass Taylor’s principles. Published a book explaining his concepts.
Taught myself tabular data, computer vision, and language models. Solo bronze medals in two Kaggle competitions.
Built an experimental TV voice control interface with a crack engineering team. Founders demoed in 1:1 meetings with CEOs of national retailers.
Doubled the app’s setup funnel completion rate with a designer and engineer. Shipped user-tested UX improvements and reduced backend latency.
Pitched Peel’s TV guide ad remote app and monetization plans to prospective partners and investors. Prototyped new features and ad products.
Helped the CEO with vital projects across business development, marketing, and general admin. Made decks for board meetings and founders’ speeches.
Sanity checked ad placement algorithms.
Taught English, high school math, and SAT prep.
Ran a book cafe near Yonsei University.
Fluent Japanese (JLPT Level 1, Dec 2006), conversational Korean and Chinese.
Restoring old electronics—Repaired a vintage videogame system during summer 2020.