Jamie Dimon, the CEO of JPMorgan Chase, is personally recruiting the leaders of corporate America into a revamped cross-industry effort to understand — and contain — the risks of artificial intelligence, according to two sources familiar with the matter who spoke to Reuters.

Dimon has reached out directly to CEOs of major and regional banks and IT companies to enlist them in the initiative, which expands the Alliance for Critical Infrastructure (ACI), a group JPMorgan helped found alongside Mastercard, Berkshire Hathaway Energy and others. The outreach, which began in July, includes more than 40 companies spanning financial services, energy, water, utilities, telecommunications, airlines, railroads and other critical infrastructure industries that rely heavily on technology. Calls with prospective members are scheduled for August, and the sources said the revamped ACI aims to be fully functional by year-end.

The initiative's goal is a shared understanding of how AI is being used, the risks it poses and the safeguards needed — and to work with the Trump administration on those issues. Recent cyberattacks on water systems in Minnesota and other states have increased the urgency for information sharing across industries, the sources said. The ACI said in a statement that protecting the systems Americans rely on daily requires strong collaboration between government and critical infrastructure companies.

Dimon has been among the most prominent U.S. executives warning about advanced AI. In July he argued that access to powerful models must be controlled, saying of Anthropic's Mythos model that "you're giving ballistic missiles to individuals." The ACI effort is separate from an industry initiative by banks to test Mythos, and from the government's July-launched Gold Eagle initiative, which brings together AI developers, critical infrastructure operators and federal agencies to share information on vulnerabilities found by advanced models. Asked about his role on CNBC, Dimon called himself "a support cast member," adding: "This group will help interface with that (the government) and both give advice and take advice from the government."