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Complex Systems with Patrick McKenzie (patio11)

Complex Systems with Patrick McKenzie (patio11)

By: Patrick McKenzie
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We live in a world where our civilization and daily lives depend upon institutions, infrastructure, and technological substrates that are _complicated_ but not _unknowable_. Join Patrick McKenzie (patio11) as he discusses how decisions, technology, culture, and incentives shape our finance, technology, government, and more, with the people who built (and build) those Complex Systems.© Kalzumeus Software, LLC Economics Personal Finance
Episodes
  • We should stop burning pharma trials’ lab notes, with Ruxandra Teslo
    Jan 22 2026

    Patrick McKenzie (patio11) is joined by Ruxandra Teslo to discuss why drug development keeps getting more expensive despite revolutionary new treatment modalities from GLP-1 agonists to gene therapies. They discuss Eroom’s Law (Moore’s Law in reverse) and Ruxandra's Common Technical Document Project, which aims to build the "Stack Overflow of clinical development" by making regulatory submissions publicly accessible. This will fill a present hole in the education of researchers, lower barriers for small biotechs, and accelerate drug discovery.

    Full transcript available here: https://www.complexsystemspodcast.com/ruxandra-teslo/


    Links:
    Eroom's Law (original paper): https://www.nature.com/articles/nrd3681
    Ruxandra’s writing: https://www.writingruxandrabio.com/
    Ross Rheingans-Yoo on drug development: https://open.spotify.com/episode/4GiO0KYqxJNCIdltCyhN6m?si=2znQniZ3RXKuX8keNcwWtw
    Ben Reinhardt on science and development: https://open.spotify.com/episode/0GHegWgLSubYxvATmbWhQu?si=pVCJVITYTqaq65BiST2d0Q


    Timestamps:
    (00:00) Intro
    (00:56) Challenges in biopharma productivity
    (03:12) Understanding clinical development
    (04:59) The role of basic science in drug development
    (07:39) Clinical development process explained
    (09:25) Issues in clinical trials and development
    (19:33) The role of information in clinical trials
    (20:30) Sponsor: Framer
    (21:42) The role of information in clinical trials (continued)
    (32:55) Proposed solutions for clinical development
    (40:31) Consultant opinions and regulatory documents
    (41:28) Streamlining the regulatory process
    (43:06) Understanding FDA interactions
    (45:35) Building a public library of regulatory documents
    (48:18) Encouraging novel approaches in biotech
    (50:06) Addressing risk aversion in the industry
    (51:52) Analyzing FDA consistency and reviewer heterogeneity
    (01:02:15) The importance of courage in professional growth
    (01:06:39) Supporting young professionals and catalyzing change
    (01:16:14) Wrap

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    1 hr and 18 mins
  • Your support rep is also trapped in this call, with Des Traynor of Intercom
    Jan 15 2026

    Patrick McKenzie (patio11) sits down with Intercom co-founder Des Traynor to examine customer support through the lens of Conway's Law, Goodhart's Law, and several decades of accumulated organizational scar tissue. They discuss how AI agents are democratizing white-glove service, why modern LLMs have retrained user expectations around “chatbots” very quickly, and the surprisingly liberating effect of talking to something that will never judge you for missing a loan payment.

    Full transcript available here: www.complexsystemspodcast.com/des-traynor/


    Sponsor: MongoDB

    Tired of database limitations and architectures that break when you scale? MongoDB is the database built for developers, by developers: ACID compliant, Enterprise-ready, and fluent in AI. Start building faster at mongodb.com/build

    Timestamps:
    (00:00) Intro
    (00:29) Intercom and its evolution
    (00:51) Challenges in customer service systems
    (02:54) Scaling customer support in startups
    (04:53) Organizational inefficiencies and customer experience
    (06:53) Metrics and their impact on customer support
    (12:40) Human capital issues in customer support
    (15:53) AI's role in customer support
    (17:01) Future of customer support roles
    (20:09) Sponsor: MongoDB
    (20:53) Future of customer support roles (continued)
    (26:19) AI and customer interaction
    (26:55) The myth of artisanal customer support
    (27:45) Fin Guidance: Evolution and user behavior
    (29:10) Fin's impact on customer support efficiency
    (33:30) Expanding Fin's capabilities beyond support
    (42:50) AI in government and other sectors
    (49:20) The future of AI connectivity and integration


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    54 mins
  • The magic spell that makes banks give you your money back
    Jan 8 2026

    Patrick McKenzie (@patio11) reads his latest Bits about Money essay explaining why he “loves Regulation E more than any rational person does.” He explains how Reg E created a privately-administered legal system processing over 100 million complaints annually—dwarfing the formal U.S. court system—and why banks are now trying to avoid these obligations for Zelle's nine figure fraud problem.

    Full transcript available here: www.complexsystemspodcast.com/the-magic-spell-reg-e/


    Sponsors: MongoDB & Framer
    Tired of database limitations and architectures that break when you scale? MongoDB is the database built for developers, by developers: ACID compliant, Enterprise-ready, and fluent in AI. Start building faster at mongodb.com/build

    Building and maintaining marketing websites shouldn’t slow down your engineers. Framer gives design and marketing teams an all-in-one platform to ship landing pages, microsites, or full site redesigns instantly—without engineering bottlenecks. Get 30% off Framer Pro at framer.com/complexsystems.

    Links:

    • Bits about Money, One Regulation E, Two Very Different Regimes
    • Full version of "Doesn't Matter, That's Reg E": https://suno.com/song/173bbd67-92f7-4868-930f-efeca4b373c0

    Timestamps:

    (00:00) Introduction
    (02:46) These newfangled computers might steal our money
    (12:45) The contractual liability waterfall in card payments
    (20:35) Sponsors: MongoDB and Framer
    (22:23) The contractual liability waterfall in card payments (continued)
    (23:47) Enter Zelle
    (25:46) Zelle is an enormous fraud target
    (32:23) Banks may attempt to extend the Zelle precedent
    (35:02) Reg E encompasses almost every technology which exists and many which don't yet


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    39 mins
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