Before you speak:

• Know your stuff. The more you know about the topic, the more confident you'll feel speaking about it. Do your research and prepare talking points if necessary.
• Focus on your strengths. Everyone has something they're good at, so leverage your strengths to boost your confidence.
• Visualize success. Imagine yourself speaking confidently and delivering your message with impact. This can help to prime your mind for success and boost your self-esteem.

While you're speaking:

• Maintain good posture. Stand tall, keep your shoulders back, and make eye contact with your audience.
• Pronounce your words clearly and concisely. Speak at a moderate pace, and avoid speaking too quickly or too slowly.
• Vary your vocal tone. Avoid speaking in a monotone, as this can come across as boring or disinterested.
• Be passionate. Your enthusiasm will be contagious and will draw your audience in.
• Listen actively. Pay attention to what others say and respond thoughtfully to show interest in the conversation and value their input.

Remember:

• Everyone makes mistakes. Don't be afraid to laugh at yourself if you make a mistake. This will help to put your audience at ease and make you more relatable.
• Confidence is a skill. It takes time and practice to develop confidence. Just keep practicing, and you'll eventually see improvement.
• Fake it till you make it. Sometimes, the best way to feel confident is to act confident. Eventually, your inner confidence will catch up to your outer confidence.

You can develop the skills to speak confidently in any situation with some practice. The most important thing is to be yourself and to have fun!