Graison Thomas

Graison Thomas Email and Phone Number

Director, Data Science and Model Risk, Internal Audit @ American Express
Hyderabad, IN
Graison Thomas's Location
Hyderabad, Telangana, India, India
Graison Thomas's Contact Details

Graison Thomas personal email

About Graison Thomas

I am a Model Risk professional with over 12 years of experience in model development, validation, and internal audit, ranging from traditional statistical techniques to cutting-edge large language models (LLMs). My expertise lies in mitigating model risk and ensuring regulatory compliance, particularly within the US banking industry. My deep experience in model risk management, paired with extensive industry knowledge, enables me to evaluate the performance, robustness, and interpretability of a wide range of models effectively.Collaboration with cross-functional teams is central to my approach, enhancing transparency, reliability, and confidence in model risk management processes.I have worked with some of the largest banks in both the US and Europe, serving in various capacities as both a full-time employee and a consultant. My professional background spans key risk domains, including Credit Risk, PPNR, and Market Risk, in both regulatory and non-regulatory domains. I have extensive hands-on experience with advanced AI/ML models, including GPT, LLama, BERT, XGBoost, and LightGBM, as well as sophisticated neural network architectures such as Transformers, CNNs, and RNN/LSTMs. My expertise encompasses areas such as knowledge distillation, finetuning, hyperparameter tuning, model explainability, transfer learning, and transformer-based models.Leadership has been a cornerstone of my career. I have successfully led diverse teams to achieve significant milestones, combining strategic goal-setting with mentorship. My leadership philosophy fosters continuous learning and professional development, ensuring that team members excel and exceed objectives.I am passionate about the intersection of banking and technology, with a particular focus on leveraging Generative AI to drive innovation and enhance efficiency.

Graison Thomas's Current Company Details
American Express

American Express

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Director, Data Science and Model Risk, Internal Audit
Hyderabad, IN
Employees:
79797
Graison Thomas Work Experience Details
  • American Express
    Director, Data Science And Model Risk, Internal Audit
    American Express
    Hyderabad, In
  • American Express
    Director, Model Risk, Internal Audit
    American Express Jan 2023 - Present
  • Credit Suisse
    Vice President
    Credit Suisse Aug 2021 - Dec 2022
  • Deloitte
    Specialist Master (Manager), Model Risk Management
    Deloitte Aug 2016 - Jul 2021
    Hyderabad, Telangana, India
    Involved in model risk engagements with some of the largest US banks, including Citibank, Bank of America, American Express, and JPMorgan.
  • Deloitte Nederland
    Advisory Manager
    Deloitte Nederland Feb 2017 - May 2017
    Amsterdam Area, Netherlands
    On Secondment to Deloitte Netherlands for Validating the Basel AIRB LGD model of a major Dutch Bank.
  • Deloitte India (Offices Of The Us)
    Senior Consultant
    Deloitte India (Offices Of The Us) Aug 2013 - Jul 2016
    Hyderabad Area, India
  • Deloitte India (Offices Of The Us)
    Consultant
    Deloitte India (Offices Of The Us) May 2012 - Jul 2013
    Hyderabad Area, India
  • Computer Sciences Corporation
    Application Developer (Software Engineer)
    Computer Sciences Corporation Jun 2007 - May 2010
    I managed Risk Data systems for prominent US Life Insurance companies, including New York Life and Allstate. My role involved executing complex projects and extensive coordination with key stakeholders across different business groups within these client organizations. My responsibilities encompassed code development, maintenance, and providing production support.

Graison Thomas Skills

Analytics Management Consulting Capital Markets Sas Risk Assessment Stress Testing R Sql Model Validation Regulatory Submissions Regulatory Capital Ccar Credit Risk Market Risk Operational Risk Consulting Team Management Basel Iii Predictive Analytics Machine Learning Life Insurance Report Writing Vba Matlab Cecl Model Development Moody's Models Strategy Finance Enterprise Risk Management Financial Risk Fixed Income Analysis Business Strategy Requirements Analysis

Graison Thomas Education Details

Frequently Asked Questions about Graison Thomas

What company does Graison Thomas work for?

Graison Thomas works for American Express

What is Graison Thomas's role at the current company?

Graison Thomas's current role is Director, Data Science and Model Risk, Internal Audit.

What is Graison Thomas's email address?

Graison Thomas's email address is gr****@****ail.com

What schools did Graison Thomas attend?

Graison Thomas attended Indian Institute Of Management, Indore, International Institute Of Information Technology Bangalore, Cqf Institute, Fitch Learning (U.k.), Cfa Level 3 Candidate, Devi Ahilya Vishwavidyalaya.

What skills is Graison Thomas known for?

Graison Thomas has skills like Analytics, Management Consulting, Capital Markets, Sas, Risk Assessment, Stress Testing, R, Sql, Model Validation, Regulatory Submissions, Regulatory Capital, Ccar.

Who are Graison Thomas's colleagues?

Graison Thomas's colleagues are Abhishek Kumar, Barnabas Idissa Djuingui, Rahul Sharma, Thandeka Lorraine Ndaba, Bablu Das, Jeffrey Moulton, Sourabh Ludhwani.

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