The stakes feel higher because they usually are, one conversation with an executive can shape how they see you for a long time, in either direction. That's a reason to prepare more, not a reason to stay silent.
The instinct in the room with a senior executive is often to defer entirely, even when you have real, relevant information they don't. That instinct is understandable, but a first-time manager who never disagrees with anyone above their own boss tends to plateau exactly there, executives generally don't promote people whose only skill in the room is agreement, because agreement alone doesn't tell them anything about your judgment.
Executives don't want to be told they're right. They want the people closest to the work to tell them what they're missing.
The approach that works with an executive is more careful than with your own manager, but the underlying principle is the same: lead with the specific fact or risk, not the disagreement itself, and frame it as information they'd want rather than a challenge to their authority.
"Before we finalize the rollout date, I want to flag something from the ground level. The support team is already at capacity from the last release, and adding this on the same week will likely mean a slower response time for customers during the transition. Wanted you to have that before the date's locked in."
Notice what that message doesn't do: it doesn't say "I disagree" or "I think this is a mistake." It surfaces a specific, concrete fact the executive is unlikely to have and lets them factor it into their own decision. Framed that way, it reads as exactly the kind of ground-level insight executives actually want from managers closer to the work, not insubordination, information.
Timing matters even more here than with your own boss. Raise it privately if at all possible, before the decision is public, not in a large meeting where an executive has to manage both the substance of your point and the optics of appearing to be second-guessed in front of a room. If it has to happen in a group setting, frame it as a question rather than a statement, "have we accounted for the support team's current capacity?" gets the same information on the table without putting the executive in a position to defend themselves publicly.
And once they've heard your input and made the call, commit to it fully and visibly, the same as you would with your own manager, the difference in stakes with an executive just means that how you carry yourself after the decision matters more, not less. Executives remember who raised a smart concern once and then executed well. They also remember who couldn't let a decided point go.