Inside the $13T Mortgage Machine
Inside the $13T Mortgage Machine  
Podcast: a16z Podcast
Published On: Thu Sep 11 2025
Description: The $13T U.S. mortgage market serves 50M homeowners but still runs on decades-old software. In this episode, a16z GP Angela Strange hosts Tim Mayopoulos (ex-CEO of Fannie Mae and ex-president of Blend), Mike Yu (co-founder and CEO of Vesta), and Andrew Wang (co-founder and CEO of Valon) to unpack why standardization and regulation slow change, and how modern loan-origination and servicing platforms, cleaner data, and AI can cut costs, boost transparency, and reduce errors. They also discuss policy levers that could speed innovation and what a true one-tap mortgage could look like. Timecodes: 00:00 Introduction 00:59 The Scale and Structure of the US Mortgage Market01:33 Why Mortgage Tech is Slow to Change02:00 Challenges of Standardization and Regulation03:41 The Human Side of Home Buying07:43 Old Software and Its Impact on Homeowners11:16 Data Transparency and Capital Markets13:17 Building New Mortgage Infrastructure: LOS and Servicing16:22 Operational Challenges and Opportunities in Servicing22:04 Driving Digital Adoption at Fannie Mae25:15 Modernizing Data and Appraisals28:27 Core Replacement vs. Wrappers: Tech Strategies35:29 AI in Mortgage: Today and Tomorrow40:42 AI, Regulation, and the Future of Compliance43:54 Advice for Lenders Preparing for an AI Future47:49 Visions for the Future of Mortgages Resources: Find Angela on X: https://x.com/astrangeFind Tim on LinkedIn: https://www.linkedin.com/in/timothy-j-mayopoulos-56972a45/Find Andrew on LinkedIn: https://www.linkedin.com/in/wangandrewd/Find Mike on LinkedIn: https://www.linkedin.com/in/mikeyu1/ Stay Updated: Find a16z on X: https://x.com/a16z Find a16z on LinkedIn: https://www.linkedin.com/company/a16z Listen to the a16z Podcast on Spotify: https://open.spotify.com/show/5bC65RDvs3oxnLyqqvkUYX?si=3E8B3qT9TyiwAHJ7JnaKbgListen to the a16z Podcast on Apple Podcasts: https://podcasts.apple.com/us/podcast/a16z-podcast/id842818711Follow our host: https://twitter.com/eriktorenbergPlease note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures. Stay Updated:Find a16z on XFind a16z on LinkedInListen to the a16z Podcast on SpotifyListen to the a16z Podcast on Apple PodcastsFollow our host: https://twitter.com/eriktorenberg Please note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.