Gary Katselas
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Gary Katselas Email & Phone Number

Manager: Credit Risk Modelling - Retail Model Development at NAB
Location: Greater Melbourne Area, Australia 4 work roles 3 schools
1 work email found @nab.com.au LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email g****@nab.com.au
LinkedIn Profile matched
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Current company
NAB
Role
Manager: Credit Risk Modelling - Retail Model Development
Location
Greater Melbourne Area, Australia
Company size
28659 employees

Who is Gary Katselas? Overview

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Quick answer

Gary Katselas is listed as Manager: Credit Risk Modelling - Retail Model Development at NAB, a with 28659 employees, based in Greater Melbourne Area, Australia. AeroLeads shows a work email signal at nab.com.au and a matched LinkedIn profile for Gary Katselas.

Gary Katselas previously worked as Associate Director Quantitative Analysis - Retail Credit Model Development at Nab and Senior Quantitative Analyst - Retail Model Development at National Australia Bank. Gary Katselas holds Master Of Science (Msc), Financial Mathematics from University Of Melbourne.

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Email format at NAB

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{first}.{last}@nab.com.au
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AeroLeads found 1 current-domain work email signal for Gary Katselas. Compare company email patterns before reaching out.

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Profile bio

About Gary Katselas

I am an analytics professional working for a large Australian bank. My work to date has centered around the modelling of credit risk for regulatory and operational purposes however I have a broad interest in the application of quantitative techniques to produce any manner of data-driven insight.In my spare time I run a not-for-profit business teaching traditional Japanese karate (https://www.facebook.com/kenshinryudojo). I have been practicing karate for over 20 years and took on Chief Instructor responsibilities at the end of 2014.

Listed skills include Data Analysis, Sas Programming, Sql, Statistics, and 5 others.

Current workplace

Gary Katselas's current company

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NAB
Nab
Manager: Credit Risk Modelling - Retail Model Development
melbourne, victoria, australia
Website
nab.com.au
Employees
28659
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4 roles

Gary Katselas work experience

A career timeline built from the work history available for this profile.

Manager: Credit Risk Modelling - Retail Model Development

Current
Nab

Responsible for the development and maintenance of Retail portfolio models used to automate operational credit decisions at NAB.

Mar 2024 - Present

Associate Director Quantitative Analysis - Retail Credit Model Development

Nab

Melbourne, Victoria, Australia

Development and ongoing maintenance of IRB, IFRS 9 provisioning, and operational credit risk models.Subject matter expert for credit model development.Mentor for juniour analysts.

Jun 2017 - Mar 2024

Senior Quantitative Analyst - Retail Model Development

National Australia Bank

Development and ongoing maintenance of IRB and operational credit risk models.Subject matter expert for credit model development.Mentor for juniour analysts.

Oct 2014 - Jun 2017

Quantitative Analyst - Retail Model Development

National Australia Bank

Developed Basel II IRB Probability of Default models for Residential Mortgages.Validated Basel II IRB Corporate Probability of Default Models on alternative geographies.Developed Retail Application Scorecards.Portfolio analysis and insights.

Feb 2012 - Sep 2014
Team & coworkers

Colleagues at NAB

Other employees you can reach at nab.com.au. View company contacts for 28659 employees →

MC Marion Chapman Marion Chapman Colleague at NabGreater Melbourne Area, Australia View → LK Lee Khosa Lee Khosa Colleague at NabGreater Giyani, Limpopo, South Africa View → RB Ragesh Bethapudi Ragesh Bethapudi Colleague at NabMelbourne, Victoria, Australia View → SM Sarisha Maharaj Sarisha Maharaj Colleague at NabMelbourne, Victoria, Australia View → QG Quynh Gin Quynh Gin Colleague at NabGreater Melbourne Area, Australia View → NE Nella Eloi Nella Eloi Colleague at NabGreater Sydney Area, Australia View → BB Brendan Balazs Brendan Balazs Colleague at NabGreater Sydney Area, Australia View → DA Dr Adam Ruff Dr Adam Ruff Colleague at NabGreater Melbourne Area, Australia View → AW Angeline Willys Angeline Willys Colleague at NabMelbourne, Victoria, Australia View → VL Vivian Lu Vivian Lu Colleague at NabGreater Sydney Area, Australia View →
3 education records

Gary Katselas education

Master Of Science (Msc), Financial Mathematics

University Of Melbourne

Enrolled in the Master of Science (Research Training) degree which consisted of course work and a thesis. Thesis title was: "Pricing.

FAQ

Frequently asked questions about Gary Katselas

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

What company does Gary Katselas work for?

Gary Katselas works for NAB.

What is Gary Katselas's role at NAB?

Gary Katselas is listed as Manager: Credit Risk Modelling - Retail Model Development at NAB.

What is Gary Katselas's email address?

AeroLeads has found 1 work email signal at @nab.com.au for Gary Katselas at NAB.

Where is Gary Katselas based?

Gary Katselas is based in Greater Melbourne Area, Australia while working with NAB.

What companies has Gary Katselas worked for?

Gary Katselas has worked for Nab and National Australia Bank.

Who are Gary Katselas's colleagues at NAB?

Gary Katselas's colleagues at NAB include Marion Chapman, Lee Khosa, Ragesh Bethapudi, Sarisha Maharaj, and Quynh Gin.

How can I contact Gary Katselas?

You can use AeroLeads to view verified contact signals for Gary Katselas at NAB, including work email, phone, and LinkedIn data when available.

What schools did Gary Katselas attend?

Gary Katselas holds Master Of Science (Msc), Financial Mathematics from University Of Melbourne.

What skills is Gary Katselas known for?

Gary Katselas is listed with skills including Data Analysis, Sas Programming, Sql, Statistics, Statistical Modeling, Financial Risk, Financial Modeling, and Data Science.

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