Bolin Li
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Principal Data Scientist - Machine Learning | Generative AI & ML Engineering
Montreal, Quebec, Canada
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Principal Data Scientist - Machine LearningZinniaNov 2023 - Current (2 years 11 months)• Build monitoring and evaluation methods for LLM-based response and information retrieval assessments.
• Automate data extraction, chunking, augmentation and indexing for optimizing RAG and LLM performances.
• LLM-RAG monitoring, evaluation pipelines, audio energy metrics, and arousal model for call recordings.
• Deliver bespoke language models for financial call centers, enhancing the capabilities of LLMs.
• Hierarchical topic models for efficient summaries and categorizations using large conversational datasets.
• QA discovery and intentions detection for RAG, few-shot learning classifiers, and fine-tuning of LLMs.
• Extract domain-specific patterns to improve understanding and efficiency in insurance call c- Senior AI Scientist - Exploration, Validation & GovernanceNational Bank of CanadaMar 2023 - Nov 2023 (9 months)• Implemented analytical and NLP based solutions for non-compliant complaints
• Computer vision and NLP methods for document fraud and performance evaluations
• Commitment to monitoring data & ML systems intellectual properties
• Process-mining prototypes and insights for operational management
• Designed and delivered fine-tuned custom object detection models
• Behavior detections for persistent price quoting activities in trading - Senior AI Scientist - AI Exploration and Validation TeamNational Bank of CanadaFeb 2021 - Mar 2023 (2 years 2 months)• Experimented deep learning and data augmentation methods with AI factory
• Productized mortgage renewal models utilizing time series and ML techniques
• Streamlined custom process mining solutions to optimize operational requests
• Collaborated and guided data scientists for development, problem-solving, experiments, etc.
• Filled patents for AI monitoring methods and systems for internal data and modeling - AI Scientist - AI & Advanced Analytics TeamNational Bank of CanadaFeb 2020 - Feb 2021 (1 year 1 month)• Experimented and deployed similarity models, clustering, and analytic pipelines
• Improved the general ledger system through metric learning and clustering
• Designed custom data augmentation for ML-based credit risk models
• Experimented and developed risk models for the credit recovery process
• Evaluated metrics stability and scenario analysis for credit card clients
• Secured patent applications for innovative bank reconciliation methods - Data Scientist - Rotational ProgramNational Bank of CanadaJun 2019 - Feb 2020 (9 months)
- Capacity Management Analyst, CargoAir CanadaMay 2018 - May 2019 (1 year 1 month)
- Research AssistantConcordia University - John Molson School of BusinessJun 2017 - May 2018 (1 year)
Education
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- CConcordia University- John Molson School of Business — Master of Science (MSc), 3.91/4.3Concordia University- John Molson School of BusinessJan 2016 - Dec 2018 (3 years)Specialize in quantitative marketing research, consumer behavioral modeling and natural language processing.
- Tianjin University of Science & Technology — Bachelor of Economics, 88/100Tianjin University of Science & TechnologyJan 2011 - Dec 2015 (5 years)Municipal Government Scholarship, Wang Kechang Scholarship, Mathematical Modeling Award, Best Thesis Award, etc.