Rafael Madrigal

Rafael Madrigal

Senior Data Scientist · ML Engineer · AI Researcher

Toronto, ON, Canada

About

Senior Data Scientist with 8+ years of analytics experience, specializing in NLP, Large Language Models, and Responsible AI. Currently leading GenAI transformation of Global Contact Centre Operations at Manulife across North America, building AI-powered virtual assistants for customer service.

Previously managed data science teams at GCash (90M+ users), co-developed LLM Operations and Red Teaming frameworks, and championed Responsible AI practices including 30+ pre-deployment model audits for bias and fairness across banking, finance, and utilities.

Experience

Senior Data Scientist
Manulife Canada 2024 – Present
Senior Data Scientist
GCash (Globe Fintech Innovations) 2022 – 2024
Data Scientist
Unionbank of the Philippines 2021 – 2022
Senior Strategy Analyst
Manila Water Philippine Ventures 2018 – 2021
MS Data Science, High Distinction
Asian Institute of Management 2021
Grad. Cert. Financial Technology
Seneca College, Toronto 2024
BS Chemical Engineering, Cum Laude
University of the Philippines - Diliman 2015

Tech Stack

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GenAI & NLP

LangChain LangGraph LlamaIndex OpenAI GPT-4o Azure OpenAI Hugging Face Cohere Anthropic Claude

ML & Data

Python SQL PyTorch TensorFlow Scikit-learn Pandas PySpark

Cloud & Tools

Azure AI Search Databricks AWS Tableau Power BI Git