Toan Luong Email & Phone Number

Boston, Ma, Us

Working on search and recommendation functionalities for ezCater Marketplace.

Boston, Ma, Us

- Responsible for the algorithmic bidding solution that drove $108M annual advertising spend on search engines to maximum attributed profits at optimal pace and efficiency.- Work with Wayfair Marketing executives to run A/B tests on Google/Bing platforms, build trackers, and support analyses to recommend high ROI actions and communicate ML solution roadmap over the next 3-6 months.- Actively develop and maintain a custom XGBoost regression model to predict conversion value of a product or keyword ad click using hundreds of product, customer, on-site visit signals and applying Bayesian methods to pool information from higher marketing hierarchy. Work with engineering partners to scale data pipelines and prediction services that handle +1.2M requests daily on Google Cloud Platform. - Serve as a knowledge leader on Performance Advertising for Wayfair Science organization, and technical mentor for new team members on internal ML platforms, cloud services, CI/CD tools, and dashboard capabilities such as Airflow, Docker, MLFlow, Google BigQuery, Vertex AI, Looker Studio.

Arlington, Va, Us

- Maintain a recommendation and similarity search system serving over 62 million aircraft parts using custom-trained NLP word/character embedding models and graph features.- Improved +10% from baseline and projected $500k annual savings for stakeholders. Presented research at top Boeing technical conferences.- Lead a research partnership at Boeing to build an aviation-specific Neural Machine Translation service.- Work with on-premise GPU Linux servers, enterprise HDFS/Spark clusters, OpenShift Docker Container Platform, and Azure Cloud Services to deploy data science applications. Contribute to various web/backend development projects and data analytics consultations.

Arlington, Va, Us

- Custom-trained Transformer machine translation models from pre-trained checkpoints with in-domain data using Tensor2Tensor/Tensorflow and FairSeq/PyTorch.- Led an intern research project on computing translation confidence scores and visualizing attention alignments from Transformer models. Evaluated guided-alignment training option for Transformer on marian-nmt/C++.- Built a demo web application using React/MaterialUI and a custom Firefox add-on using Javascript.

Bellevue, Washington, Us

- Led a research team at the University of Washington to implement Mask R-CNN prototype for Rigid/Non-Rigid Retail Consumable Product Detection. More information at https://github.com/havanagrawal/clomask.- Contributed to the Active Learning pipeline for Clobotics’ AI-enabled detection services that recognize retail products from store images.- Worked on clustering algorithms and Caffe DNN feature extractors to classify rare-label images.

Bloomfield, Ct, Us

- Worked in the Pharmacy Pricing team and contributed to the Underwriting Model.- Executed a research Project in Utilization Shifts of Cigna’s 90-Day Pharmacy Benefits in Excel VBA and Access.- Consolidated drug claims and demographic information of more than 5,000 client accounts to perform trend analysis and estimate utilization shifts into the new benefits.- Automated the calculations and incorporated the results in the Pharmacy UnderwritingModel that realized Cigna more than $200 million in potential savings.

Colorado Springs, Co, Us

- Analyzed more than 12,000 survey entries of the Medicare population to study their likelihood of requesting generic instead of brand-name medications. Presented at the 2017 Colorado Springs Undergraduate Research Forum.- Implemented the Sign-In System for the Quantitative Reasoning Center in Java. Managed a database of more than 3,000 students and automated the check-in process. Produced custom feedback and monthly usage reports sorted by students’ information.

Master Of Science, Computer Science / Data Science

Certificate, Computer Science

Bachelor Of Arts (B.A.), Econometrics And Quantitative Economics

General Course, Actuarial Science & Corporate Finance

International Baccalaureate Diploma Program, Mathematics, Computer Science, Economics, English A1, French & Physics