Graison Thomas
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Graison Thomas Email & Phone Number

Director, Data Science and Model Risk, Internal Audit at American Express
Location: Hyderabad, Telangana, India 8 work roles 5 schools
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Current company
Role
Director, Data Science and Model Risk, Internal Audit
Location
Hyderabad, Telangana, India
Company size

Who is Graison Thomas? Overview

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Graison Thomas is listed as Director, Data Science and Model Risk, Internal Audit at American Express, a with 79797 employees, based in Hyderabad, Telangana, India. AeroLeads shows a matched LinkedIn profile for Graison Thomas.

Graison Thomas previously worked as Director, Model Risk, Internal Audit at American Express and Vice President at Credit Suisse. Graison Thomas holds Pgdm, Finance, Ranked 10Th In A Batch Of 450 Students, 3.44 / 4.33, Cat 99.5 Percentile from Indian Institute Of Management, Indore.

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American Express

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Profile bio

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.

Listed skills include Analytics, Management Consulting, Capital Markets, Sas, and 30 others.

Current workplace

Graison Thomas's current company

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American Express
American Express
Director, Data Science and Model Risk, Internal Audit
Hyderabad, IN
Employees
79797
AeroLeads page
8 roles

Graison Thomas work experience

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Director, Data Science And Model Risk, Internal Audit

Hyderabad, In

Director, Model Risk, Internal Audit

Current
Jan 2023 - Present

Specialist Master (Manager), Model Risk Management

Hyderabad, Telangana, India

Involved in model risk engagements with some of the largest US banks, including Citibank, Bank of America, American Express, and JPMorgan.

Aug 2016 - Jul 2021

Advisory Manager

Amsterdam Area, Netherlands

On Secondment to Deloitte Netherlands for Validating the Basel AIRB LGD model of a major Dutch Bank.

Feb 2017 - May 2017

Application Developer (Software Engineer)

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.

Jun 2007 - May 2010
Team & coworkers

Colleagues at American Express

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5 education records

Graison Thomas education

Pgdm, Finance, Ranked 10Th In A Batch Of 450 Students, 3.44 / 4.33, Cat 99.5 Percentile

Activities and Societies: 2nd All India position in the FLIP Banking National Challenge; Represented IIM Indore and was Runners Up at IIM.

Certificate In Quantitative Finance, Quantitative Finance, Machine Learning

Cqf Institute, Fitch Learning (U.K.)

The Certificate in Quantitative Finance (CQF) is an online financial engineering program. The CQF qualification is made up of six modules.

Finance

Cfa Level 3 Candidate

Bachelor Of Engineering - Be, Electronics And Telecommunication Engineering

Institute of Engineering and Technology, DAVV Indore

FAQ

Frequently asked questions about Graison Thomas

Quick answers generated from the profile data available on this page.

What company does Graison Thomas work for?

Graison Thomas works for American Express.

What is Graison Thomas's role at American Express?

Graison Thomas is listed as Director, Data Science and Model Risk, Internal Audit at American Express.

Where is Graison Thomas based?

Graison Thomas is based in Hyderabad, Telangana, India while working with American Express.

What companies has Graison Thomas worked for?

Graison Thomas has worked for American Express, Credit Suisse, Deloitte, Deloitte Nederland, and Deloitte India (Offices Of The Us).

Who are Graison Thomas's colleagues at American Express?

Graison Thomas's colleagues at American Express include Naimah Amin, Daniel Gurov, Adam B., Jessica Aguirre Wren, and Sean Montepagano.

How can I contact Graison Thomas?

You can use AeroLeads to view verified contact signals for Graison Thomas at American Express, including work email, phone, and LinkedIn data when available.

What schools did Graison Thomas attend?

Graison Thomas holds Pgdm, Finance, Ranked 10Th In A Batch Of 450 Students, 3.44 / 4.33, Cat 99.5 Percentile from Indian Institute Of Management, Indore.

What skills is Graison Thomas known for?

Graison Thomas is listed with skills including Analytics, Management Consulting, Capital Markets, Sas, Risk Assessment, Stress Testing, R, and Sql.

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