Andrew Gulledge

Andrew Gulledge is a highly-skilled social scientist, researcher, and published author, Providing analytical and consulting support for Experian's Fraud & Identity Solutions team within Decision Analytics, including support for knowledge-based authentication, scoring solutions, ID verification, device identification, data acquisition, and management reporting. He is an expert in SAS, SQL, Excel, and Crystal Reports. He also has experience with HTML, CSS, PHP, JavaScript, web development, back-end database management, and UI design. Gulledge works closely with the company’s corporate clients to help them improve their fraud prevention risk management strategies using an analytics- and consultative-based approach. He has delivered hundreds of performance reviews for Experian’s clients to ensure they remain at the forefront of this technology. He has been with Experian since 2007. Gulledge earned a Bachelor of Science in psychology from Brigham Young University and a Master of Science from Loma Linda University. He enjoys playing the ukulele, singing, hiking, biking, cooking, and spending time with friends and family.

All posts by Andrew Gulledge

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Question Weighting in Knowledge-Based Authentication (...

— by, Andrew Gulledge One of the quickest and easiest ways to reduce fraud in your portfolio is to incorporate question weighting into your...

Read More Question Weighting in Knowledge-Based Authentication (KBA): Part 2
Question Weighting in Knowledge-Based Authentication (...

— by, Andrew Gulledge The intelligent use of question weighting in KBA should be a no-brainer for anyone using out of wallet questions. Here’s...

Read More Question Weighting in Knowledge-Based Authentication (KBA): Part 1
Squeezing every drop of value out of your own data...

I often provide fraud analyses to clients, whereby they identify fraudsters that have somehow gotten through the system.  We then go in and see...

Read More Squeezing every drop of value out of your own data
Fluidity and extinction of fraud behavior: How to cor...

We’ve blogged about fraud alerts, fraud analytics, fraud models and fraud best practices. Sometimes, though, we delude ourselves into thinking that fraud prevention strategies we put...

Read More Fluidity and extinction of fraud behavior: How to corner the rats
Measuring data performance...

Meat and potatoes Data are the meat and potatoes of fraud detection.  You can have the brightest and most capable statistical modeling team in...

Read More Measuring data performance
Knowledge Based Authentication (KBA) Best Practices, P...

–by Andrew Gulledge Intelligent use of features Question ordering: You want some degree of randomization in the questions that are included for each session....

Read More Knowledge Based Authentication (KBA) Best Practices, Part 4
Knowledge Based Authentication (KBA) best practices, P...

–by Andrew Gulledge General configuration issues Question selection– In addition to choosing questions that generally have a high percentage correct and fraud separation, consider...

Read More Knowledge Based Authentication (KBA) best practices, Part 3
Knowledge Based Authentication (KBA) best practices, P...

–by Andrew Gulledge Where does Knowledge Based Authenticationfit into my decisioning strategy? Knowledge Based Authentication can fit into various parts of your authentication process....

Read More Knowledge Based Authentication (KBA) best practices, Part 2
Knoweldge Based Authentication (KBA) best practices, P...

–by Andrew Gulledge Definition and examples Knowledge Based Authentication (KBA) is when you ask a consumer questions to which only they should know the...

Read More Knoweldge Based Authentication (KBA) best practices, Part 1