Donald Stephens Email & Phone Number

New York, Ny, Us

Head of AI and Advanced Analytics for Finance & Business Management, 2024 Head of Modeling and AI for Operations, 2019Provide executive leadership in model development and deployment across business lines to drive initiatives in consumer behavior analysis, consumer interactions, operational efficiency, cost reduction, and workforce optimization. Oversee a team of quantitative modelers applying advanced machine learning and AI techniques to address complex business challenges. Lead a portfolio of hands-on projects in areas such as natural language understanding, time series analysis, forecasting, anomaly detection, voice analytics, deep learning, and mathematical modeling.

New York, Ny, Us

Senior Director – Operations Research, 2014Director – Quantitative Finance, 2011Vice President – Quantitative Research, 2009Assistant Vice President – Global Ratings & Research, 2007Operations ResearchManaged complex projects involving applied mathematics, operations research, data science, machine learning, quantitative finance and software development. Monitored and improved departmental resources, processes, procedures and systems to promote operating efficiency, risk controls and innovation using advanced quantitative approaches (e.g. statistical modeling, simulation based modeling and artificial intelligence).Quantitative Finance ResearchManaged development teams for mathematical models and quantitative credit default assessment scorecards (for Public Private Partnerships - Private Finance Initiatives, Small Medium Enterprises, Government Sponsored Enterprises and Microfinance Institutions). Applied machine learning concepts to solve optimization problems, improve credit products, perform analysis and automate tasks. Managed development teams responsible for portfolio and structured products (Residential Mortgages, Auto Loans and Leases, Credit Card Receivables and Student Loans).

New York, Ny, Us

Securitized Products Group - Fixed IncomePrimarily worked with (non-agency) residential mortgage-backed securities, mortgage pass-through securities and other general fixed income products. Developed interest rate risk analyses for fixed income trading applications.

Us

Risk Management Services ResearchCoded mathematical models that calculated default probabilities of private firms. Created credit risk assessment models and cashflow forecast models. Designed various credit risk assessment platforms.

New York, Ny, Us

Moody's Risk Management Services Research

Doctor Of Philosophy - Phd (2025), Systems Science And Complex Optimization

Masters, Quantitative Methods

Masters, Applied And Computational Mathematics

Artificial Intelligence (Cs)

Masters, Mathematics

Bachelor Of Science, Computer Science, Mathematics