The first American pope is about to make AI the topic of his first major teaching letter. He is bringing a Silicon Valley co-founder along to help launch it.
The Vatican said Pope Leo XIV's first encyclical, "Magnifica Humanitas," lands May 25. Anthropic co-founder Christopher Olah will speak on the panel that presents it at the Vatican's Synod Hall.
An encyclical is a formal letter from the pope. It sets the Catholic Church's teaching on a topic for decades.
A Math Major Turned Pope With An AI Focus
Pope Leo XIV trained as a math major before he took holy orders. He has come back to AI again and again since his election a year ago.
He told teens in a packed stadium to use AI in a way they could still think for themselves if it vanished tomorrow. He has also warned priests not to use chatbots to write their homilies.
Time magazine put him on its 2025 list of the most influential people in AI. The piece called him a kind of spiritual counterweight to Silicon Valley.
The new letter was signed May 15. That is the 135th anniversary of "Rerum Novarum," the 1891 letter that shaped Catholic teaching on labor and capital.
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Why The Anthropic Pick Matters
Putting Olah on the panel is a clear signal. US policy has turned sharply against Anthropic in recent months.
In February, the Trump administration ordered every US federal agency to stop using Anthropic's tools. The order also came with other penalties on the firm.
So having an Anthropic co-founder speak at the Holy See is the pope's way of picking his own partners in the AI debate.
Cardinal Victor Manuel Fernandez, the Vatican's doctrine chief, will join the panel. So will Cardinal Michael Czerny, plus theologians Anna Rowlands and Leocadie Lushombo.
Pope Leo XIV plans to attend the press conference in person. That is unusual for an encyclical launch.
For investors tracking AI policy, the framing matters. Catholic teaching shapes laws downstream, and so do the governments that listen to it.
What To Watch
The letter is likely to set out clear views on three fronts. The first is job loss, the second is AI use by kids, and the third is creative work and ownership.
Each of those areas has open fights in court and in Congress. The pope's stance will give one side fresh moral cover.
The letter will set the church's line on AI, jobs, and human dignity for years. Other groups will lean on that frame.
The world's largest Christian church just made AI its top concern. A tech founder will stand right next to the pope when it lands.
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