Expert Model Validation for
Financial Institutions
Independent, externally performed model validations for banks and credit unions
About Maymin, Weisenborn & Co.
Since 2018 Mark Weisenborn LLC has performed model validations, MRA/MRIA remediation, and model risk reviews for banks and credit unions of all sizes based on the FDIC FIL 22-2017 (FRB SR 11-7) standard.
Do you need an independent model validation performed this year for any of your models? Have you considered adding the perspective of an experienced team? The firm Principal, Mark Weisenborn, has been building and validating models since 2015, and began in the industry in 2007. Mark served as a model developer at Bank of America before earning an MBA from Yale and Stonier Banking Diploma at the Wharton School. Dr. Maymin earned his PhD in Mathematics from MIT and has worked as an asset management expert for decades. The combination of their talent will be an asset to any client looking to fulfill regulatory requirements while gaining insight on model limitations and areas of potential refinement. We work collaboratively in a no-surprises approach, where we develop Recommendations and suggest Action Plans for model risk mitigation. We pride ourselves on reliability, timeliness, and a friendly approach.
We service regional banks and credit unions of all sizes with reporting obligations under FDIC FIL 22-2017 (FRB SR 11-7) Supervisory Guidance on Model Risk Management.
Maymin, Weisenborn & Co is an external Model Validator fulfilling requirements for banks that need compliant model validation. We are uniquely qualified in the deep topics of bank model risk, which includes Mathematics, Computer Science, and Business.


We validate your models entirely in the USA.
As a client, this means less worry about model techniques being sent overseas to foreign jurisdictions, greater accountability, fully cohesive documentation of technical aspects, and better availability of validators when follow-up is needed. The person writing your Model Validation Report will be the same person who coded all the tests and evaluated the statistical aspects of those tests, and will be available to speak with you without a sales filter. We are a team of experts with deep experience in the technical and business skill pillars required to validate models under FRB SR 11-7 (FDIC 22-2017).