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June 1st at 6PM:

Yelena Takhtamanova, Risk Specialist, Federal Reserve Bank of San Francisco and

Alexandra Onosova, Risk Specialist, Federal Reserve Bank

San Francisco

"Federal Reserve Bank Credit Risk Model Reviews:

Two Quants' Prespective"


Our June 1st meeting will be held at the Wells Fargo Center on the 32nd floor in downtown

Seattle and will begin at 6PM.


Alexandra Onosova joined the Federal Reserve Bank of San Francisco in 2013. As a Senior Risk Specialist, she has examines multiple banking holding companies, reviews wholesale and retail credit risk modeling frameworks for compliance with SR 11-7 and alignment with the range of current practice. The portfolios reviewed include CRE, mortgage, Mortgage Servicing Rights, Municipal bonds and others. She has also participated in CCAR Federal Reserve System annual exams. In addition, Alexandra examines validation functions, governance and policy, and participates in horizontal reviews of stress-testing results of BHCs. Lastly, she conducts independent research. Her most recent project involves studying landmarking and alternative methodologies in retail credit portfolios.

Prior to joining the Federal Reserve Bank of San Francisco, she has worked in the banking and financial services industry for 10 years as a risk manager, developing stress-testing and capital allocation models. She has performed company-wide stress-testing analysis for the largest portfolios such as mortgage, HELOC, CRE, commercial and industrial utilizing various quantitative approaches such as copulas, logistic regression analysis, Monte-Carlo simulation, and PCA. She has led the bank-wide Economic Capital Process, which entailed gathering and cleaning raw data from diverse sources; verifying, optimizing and executing quantitative models; benchmarking the model output with the output from other models; communicating the results, and their implications to the executive management.

Alexandra holds a M.S. in Statistics from Stanford University and B.S. in Economics from Wharton School, University of Pennsylvania.


Yelena Takhtamanova joined the Federal Reserve Bank of San Francisco (FRBSF) in 2005 as an outreach economist supporting both the Economic Research and Communications and Community Engagement Departments. In that capacity, she researched, analyzed and communicated national, global and regional economic issues / trends and monetary policy actions to large public groups such as elected officials, bankers, industry groups, business leaders, academics, community leaders, media, official FRBSF visitors, and members of the FRBSF staff and senior management.

In 2014 Yelena’s focus switched to bank supervision, as she joined the Risk Modeling Research and Bank Surveillance group in the FRBSF Economic Research Department as a quantitative risk analyst. A year later, she moved to the newly created model review team in the Financial Institutions Supervision and Credit Department as a risk specialist. In her roles within supervision, Yelena participates in examination of bank holding companies regulated by FRBSF, reviews credit loss forecasting models and stress testing models with regard to models’ conceptual soundness, performance evaluation, and validation processes. Yelena also contributes to CCAR Retail Risk Evaluation Team (RET), internal (Federal Reserve) model validation efforts, and conducts independent research. Her research work focuses on topics such as mortgage choice and default, structure of bank supervision and regulation and macroeconomic outcomes across countries, exposure at default (EAD) modeling, and landmarking/repeat sampling methodology. Yelena holds a Ph.D. in Economics from the Johns Hopkins University. 

Prior to joining the Federal Reserve Bank of San Francisco, she has been an assistant professor at the California State University, Sacramento. She also lectured on macroeconomics and international monetary economics at the Johns Hopkins University.


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