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John A Mackey CreditGenius

John A Mackey, J.S. Whaldo

Everyone has an opinion about credit. John Mackey has the experience. John goes beyond the credit scores and sales pitches with sharp analysis, original reporting, and more than 35 years of experience to show you how the credit system really works.

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Substack
PricingFreemiumPublishesDaily
Issues590Founded2 years agoLast Issue5 days ago
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Latest Issues

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In Part One of The History of the Credit Card on the Give Me Credit podcast, we explain how a small piece of plastic became one of America’s most powerful financial tools. Quite an achievement for something that fits in your wallet.

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Incognito’s News, Views, PUs, and Snafus for the Week Ending October 3, 2026

John A Mackey CreditGenius is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.

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Three Bureaus Walk Into a FICO

Your credit score looks simple: three digits, sitting quietly on a screen.

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GMC Podcast Season 2 Part 3 - FICO 10T and Financial Surveillance: Richard Vague Examines the Future of Credit Scoring

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Authors

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  • John A Mackey

    Winner of Marquis Who's Who, John Mackey, founder of CreditGeni.us, Master Credit Solutions, US Credit Project, and Give Me Credit Media, is a leading expert in credit restoration, FICO scoring, and debt collection.

  • J.S. Whaldo

    I’m J.S. Whaldo, a mortgage underwriter for over 30 years. I explain guidelines, loan decisions, and how to avoid surprises for homebuyers, Realtors, bankers, and mortgage professionals. Co-host of the podcast Give Me Credit.

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