Zvi Mowshowitz is a writer, AI safety analyst, and former professional Magic: The Gathering player. He is best known for his Substack newsletter 'Don't Worry About the Vase,' which publishes detailed weekly AI updates and rationalist commentary to over 33,000 subscribers. Inducted into the Magic: The Gathering Pro Tour Hall of Fame in 2007, Zvi is also the founder of nonprofit policy think tank Balsa Research and co-founded MetaMed, a personalized medical research firm backed by Peter Thiel. He is a prominent voice in the rationalist and AI safety communities, known for his p(doom) estimates of 60-70% and his systematic, data-driven approach to understanding AI risk.
Dylan Matthews is a policy journalist, effective altruism advocate, and former senior correspondent at Vox, where he founded and led the Future Perfect newsletter and section for seven years. Known for his deep-dive reporting on global health, animal welfare, and evidence-based philanthropy, Matthews embodies his own editorial philosophy: he donated a kidney to a stranger in 2016, initiating a chain that helped four people. As of December 2025, he joined Coefficient Giving (backed by Open Philanthropy) to manage the $120M+ Abundance and Growth Fund, moving from writing about doing good to actually doing it.
Kelsey Piper is an American journalist and effective altruism advocate best known for her work at Vox's Future Perfect newsletter, where she spent seven years covering AI safety, global catastrophic risks, evidence-based philanthropy, and education policy. She broke major stories including OpenAI's non-disparagement agreements and conducted the first post-collapse interview with Sam Bankman-Fried. In August 2025, she left Vox to co-found The Argument, a Substack newsletter focused on reasoned policy debate. A Stanford Symbolic Systems graduate who pledged 30% of her lifetime income to charity, Piper brings a rare combination of technical fluency, ethical rigor, and accessibility to some of the most consequential questions of our time.