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Like Jamie Dimon, AT&T CEO says if you attend a meeting, you need to show up prepared—he ‘craves’ people who don’t just sit back and observe

Reported by Fortune
Sep 6, 2026· 2 min read
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Key Takeaways
  • • AT&T CEO John Stankey and JPMorgan Chase CEO Jamie Dimon jointly advocate for a meeting culture emphasizing prepared participation, factual discourse, and constructive disagreement rather than passive observation or yes-man dynamics.
  • • Stankey has embedded a principle in AT&T's cultural documentation requiring employees to arrive at meetings with completed homework and data-backed viewpoints, explicitly discouraging uninformed opinions or observer status.
  • • Dimon reinforces this leadership philosophy by creating organizational environments where employees feel safe raising uncomfortable issues and contradicting leadership, stating he is "never upset when someone says I'm wrong."
  • • Stock performance diverges sharply between the two companies despite aligned management philosophies: JPMorgan's stock has appreciated 17% over the past year while AT&T's has declined approximately 12%.
  • • Both executives acknowledge that meeting preparation protocols are evolving in response to artificial intelligence, despite longstanding emphasis on pre-reading materials.
Summary
AT&T CEO John Stankey and JPMorgan Chase CEO Jamie Dimon converged on a shared leadership principle during a recent joint LinkedIn interview: effective meetings require prepared participants willing to engage in substantive discourse rather than passive attendance. Stankey articulated this position explicitly, stating "I love discourse" and emphasizing that his company's cultural framework mandates employees arrive prepared with completed research. He rejected the observer model of meeting participation, declaring "Don't walk in there and just be an observer," and stressed that viewpoints must be grounded in "facts, information, and data" rather than uninformed opinion.

Dimon reinforced this management philosophy, underscoring the importance of creating psychological safety for disagreement and the articulation of difficult truths. He characterized his own leadership posture as receptive to contradiction, noting "I am never upset when someone says I'm wrong about something," while emphasizing organizational commitment to client and shareholder value. Both executives implied that passive or non-contributory meeting attendees may indicate suboptimal personnel composition.

The divergence in stock performance between the two institutions presents a notable counterpoint to their aligned operational philosophies. JPMorgan Chase has delivered 17% shareholder returns over the trailing twelve-month period, while AT&T has experienced a 12% decline, suggesting that meeting culture optimization alone does not guarantee market outperformance or that other structural factors significantly influence investor valuation.

Both leaders acknowledged that meeting preparation methodologies are undergoing transformation within the artificial intelligence era. While both have historically prioritized pre-meeting material review, they suggested this approach may require recalibration given technological change, though neither provided specific details regarding modified protocols or implementation frameworks during the public discussion.

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Sources

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Fortune Like Jamie Dimon, AT&T CEO says if you attend a meeting, you need to show up prepared—he ‘craves’ people who don’t just sit back and observe