You can disagree, but make the disagreement analytical and collaborative rather than adversarial.

Senior interviewers may care as much about how you handle tension as whether your first view is correct.

State the evidence behind your concern, acknowledge the partner's point, and suggest what data would resolve the disagreement.

Practice respectful pushback language so you can stay confident without sounding rigid. You can also use this CaseBasix guide and this related guide for a structured review.

Asking who the interviewers are seems fine if it is just logistical. I would not build the prep around their LinkedIn profiles.