The creator of WordPress opens up about becoming an internet villain, why he’s taking a stand, and the future of open source | Matt Mullenweg (founder and CEO, Automattic)

Matt Mullenweg is the co-founder of WordPress, the open source platform powering a staggering 43% of the internet. He also serves as CEO of Automattic—the parent company of brands like WordPress.com, WooCommerce, and Tumblr—which is worth over $7 billion, with over 1,700 employees across 90 countries. In this episode, he discusses some of the most controversial topics surrounding WordPress, Automattic, and the broader open source community.—What you’ll learn:• Matt’s response to public criticism• Why products like Meta’s Llama are “fake open source”• How his team is turning around Tumblr after acquiring it for just $3 million (after Yahoo bought it for $1.1 billion)• Why he mortgaged his home to fund San Francisco’s iconic Bay Lights project• Matt’s philosophy: “Don’t just build a product; build a movement”• Why open source matters: “If the Founding Fathers were around today, they’d be open source advocates”—Brought to you by:• WorkOS—Modern identity platform for B2B SaaS, free up to 1 million MAUs• Vanta—Automate compliance. Simplify security.• Loom—The easiest screen recorder you’ll ever use—Find the transcript at: https://www.lennysnewsletter.com/p/the-creator-of-wordpress-opens-up-matt-mullenweg—Where to find Matt Mullenweg:• X: https://x.com/photomatt• LinkedIn: https://www.linkedin.com/in/mattm/• Instagram: https://www.instagram.com/photomatt/• Website: https://ma.tt/—Where to find Lenny:• Newsletter: https://www.lennysnewsletter.com• X: https://twitter.com/lennysan• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/—In this episode, we cover:(00:00) Introduction to Matt Mullenweg(05:10) Matt’s career journey(11:15) Bay Lights project and philanthropy(17:28) How Matt got involved with open source(23:25) Why products like Meta’s Llama are “fake open source”(27:14) The future of open source and how to get involved(35:25) Building a successful online community(39:12) The WP Engine controversy(50:24) Facing criticism and controversy(55:29) Addressing community concerns(01:08:29) Forking Advanced Custom Fields(01:11:15) The role of social media and public perception(01:16:43) Acquiring and reviving Tumblr(01:24:25) Automattic’s acquisition strategy(01:28:51) Final thoughts and future plans—Referenced:• WordPress: https://wordpress.com/• Automattic: https://automattic.com/• CNET: https://www.cnet.com/• Akismet: https://akismet.com/wordpress/• Jetpack: https://jetpack.com/• Toni Schneider on LinkedIn: https://www.linkedin.com/in/tonischneider/• WooCommerce: https://woocommerce.com/• Beeper: https://www.beeper.com/• Day One: https://dayoneapp.com/• Simplenote: https://simplenote.com/• Pocket Casts: https://pocketcasts.com/• Creative Commons: https://creativecommons.org/• Audrey Capital: https://audrey.co/• Stripe: https://stripe.com/• SpaceX: https://www.spacex.com/• Calm: https://www.calm.com/• August: https://august.com/• Daylight Computer: https://daylightcomputer.com/• Keys Jazz Bistro: https://keysjazzbistro.com/• Joomla: https://www.joomla.org/• Drupal: https://new.drupal.org/• Shopify: https://www.shopify.com/• Wix: https://www.wix.com/• Squarespace: https://www.squarespace.com/• Tumblr: https://www.tumblr.com/• Gravatar: https://gravatar.com/• The Bay Lights: https://illuminate.org/projects/thebaylights/• The Bay Lights 360: https://illuminate.org/the-bay-lights-360/• Ben Davis on LinkedIn: https://www.linkedin.com/in/ben-davis-sf/• Kinder High School for the Performing and Visual Arts: https://www.houstonisd.org/hspva• Jack Dorsey: We’re Losing our Free Will to Algorithms: https://www.youtube.com/watch?v=9_8NganZSFI• Marc Andreessen: https://a16z.com/author/marc-andreessen/• Bill Gurley on LinkedIn: https://www.linkedin.com/in/billgurley/• An inside look at X’s Community Notes | Keith Coleman (VP of Product) and Jay Baxter (ML Lead): https://www.lennysnewsletter.com/p/how-x-built-the-best-fact-checking-system-on-the-internet• Llama: https://www.llama.com/• WordCamp US & Ecosystem Thinking: https://ma.tt/2024/09/ecosystem-thinking/• As Wall Street Chases Profits, Fire Departments Have Paid the Price: https://www.nytimes.com/2025/02/17/us/fire-engines-shortage-private-equity.html• WordCamp Asia: https://asia.wordcamp.org/2025/• Justin Baldoni Hit with Defamation Suit as PR Teams Turn on Each Other over Blake Lively’s ‘It Ends with Us’ Smear Campaign Allegations: https://deadline.com/2024/12/justin-baldoni-defamation-lawsuit-publicist-blake-lively-1236241784/• How WordPress Hot Nacho Scandal Shapes WP Engine Dispute: https://www.searchenginejournal.com/how-wordpress-hot-nacho-scandal-shapes-wp-engine-dispute/539069/• Gutenberg: https://wordpress.org/gutenberg/• ClassicPress: https://www.classicpress.net/• Behind the founder: Marc Benioff: https://www.lennysnewsletter.com/p/behind-the-founder-marc-benioff• Mary Hubbard on LinkedIn: https://www.linkedin.com/in/maryfhubbard/• Brian Chesky’s new playbook: https://www.lennysnewsletter.com/p/brian-cheskys-contrarian-approach• Founder mode: https://paulgraham.com/foundermode.html• Cow.com: https://www.cow.com/• David Karp on X: https://x.com/davidkarp• Marissa Mayer on LinkedIn: https://www.linkedin.com/in/marissamayer/• Alibaba: https://www.alibaba.com/• WP Engine Tracker: https://wordpressenginetracker.com/• Kumbh Mela: https://en.wikipedia.org/wiki/Kumbh_Mela—Recommended book:• Maintenance: Of Everything (in progress): https://books.worksinprogress.co/book/maintenance-of-everything/addenda/page/introduction—Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email [email protected].—Lenny may be an investor in the companies discussed. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.lennysnewsletter.com/subscribe

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