Disagreement and negotiation are inevitable in professional environments, but handling them with assertiveness and respect sets you apart as a leader. When you disagree; focus on the issue, not the person. Use objective language, present alternatives, and explain your reasoning calmly. Active listening and empathy are critical, as they demonstrate that you value all perspectives. In negotiation, aim for win-win solutions that benefit the group and build stronger professional relationships. Avoid aggressive tactics; assertiveness means standing by your point of view with clarity and confidence, while remaining open to compromise. Practicing this approach ensures robust discussions, innovation, and lasting influence in boardroom settings.