SUMMARY

Data Science enthusiast, specializing in Natural Language Processing. Experienced in working with Python/AI tools to create efficiencies and deliver cost/time savings.

EXPERIENCE

Morningstar Sustainalytics — Senior Data Scientist

Toronto, ON - January 2023 - Present

From January 2023 to March 2024, was team lead for the team maintaining the Thematic Crawler.
In March 2024, transitioned to the Data Science/AI team.
Responsible for maintaining the News Harvester System, which is a system that imports 400,000+ articles daily and filters them out for ESG relevance for ESG Analyst review.
Coded ChatGPT into the News Harvester System to help filter the news articles, which resulted in the reduction of articles daily by 25% (approximately 1000 less articles per day).
Created a Plotly dashboard to monitor daily metrics, consumed through a daily automated email.

Morningstar Sustainalytics — Data Scientist

Toronto, ON - November 2021 - January 2023

Was responsible for maintaining the Thematic Crawler (web/internal database crawler).
Improved text mining performance of the crawler through use of multilayered keywords. Was able to reduce the number of hits by approximately 50%, effectively reducing workload for ESG Analysts in half.

Zayo/Allstream — Network Capacity Planner

Toronto, ON - December 2014 - April 2020

Was responsible for identifying cost optimization opportunities through SQL queries of the network equipment inventory database.
Transitioned opportunities into realizing cost savings through implementation of network engineering projects (node installations/decommissions, customer circuit migrations).
Worked on a project to vacate 2 floors of a data center in order to realize $2 million dollars worth of cost savings.

Allstream — Network Specialist

Toronto, ON - August 2010 - December 2014

Managed fiber build projects and created monthly reports on engineering KPIs for upper management.

EDUCATION

University of Toronto — Bachelors of Science - Statistics Specialist

Toronto, ON - September 2005 - August 2010

Completed Statistics Specialist degree, covering topics such as regression, time series analysis and data mining. Also took computer science courses covering topics such as algorithm analysis and Java/C programming.

SKILLS

Team player - 10+ years experience in working on cross-functional teams.
Programming - 4+ years programming experience in Python working on Web Crawlers/News Ingestion/NLP.

Self-motivated - Self-taught SQL, Python, and Tableau. Samples of work can be found on personal website hbao.ca

CERTIFICATES

Tableau Desktop Specialist November 2020 - Fundamentals of Tableau Desktop application

Google Data Analytics Professional Jul 2021 - Completed online training in Data Analytics Fundamentals.

Microsoft Azure AI Fundamentals Jul 2021 - Completed online training in Azure AI Fundamentals (AI-900).

LANGUAGES

English, Vietnamese, Python, R, VBA