John Qiu Email & Phone Number

Nashville, TN, US

Washington DC-Baltimore Area

I develop and evaluate components of search systems for document-grounded question answering systems. These components include document retrieval via vector search, document summarization with snippet extraction, and prompt engineering for answer generation.

Washington DC-Baltimore Area

Developed real time transcription and summarization system for video meetings using Whisper, OpenAI API and LLM models via Langchain.

Washington DC-Baltimore Area

Deployed low-latency advertising campaign valuation and selection algorithm trained with Pytorch, served in Go, refit daily. Ran scientific A/B tests to validate model performance on advertising performance metrics (CPC, CPM).

Washington D.C. Metro Area

Experimented and deployed NLP models using call center text transcript data. Projects include Call Reason Classification, Complaint Detection, Net-Promoter Score Prediction, and Unsupervised Theme Detection.

Washington D.C. Metro Area

Oak Ridge, TN

Implemented distributed data parallelism to study scalability and generalizability of deep learning techniques with clinical text data in an HPC environment.

Compared text classification approaches comparing statistical Machine Learning models (Naive Bayes, Logistic Regression, SVM, Random Forest) against Deep Learning techniques (CNN, RNN, LSTM)

Phd Candidate, Data Science And Engineering

Master Of Science - Ms, Business Analytics

Bachelor Of Business Administration - Bba, Econometrics And Quantitative Economics