Of course Brian has ordinary advices like:

1. Know your audience
2. plan and structure your speech
3. be clear
4. be confident
5. speak slowly
6. make eye contact
7. and be timely with delivery

It’s immutable list of tips for public speakers, but we’ll touch upon more interesting points.

1. Pick A Topic You’re Passionate About
May be it sounds basically, but I reckon that many people take a projects on some uninteresting topics in university for example. Students don’t understand topic enough and their performance not addictive. They can’t interact listeners’ attention.

2.Clear Your Mind
When you have unnecessary thoughts you start be more nervous and unfocused. It leads to lose audience’s attention.

3. Intrigue Your Audience Right From The Start
You need be desirable to the audience. Listeners should want to listen to you. Your introduction begins your presentation. Make it memorable.

4. Relate With Personal Stories
Often people enjoy listening your real stories. It builds close connection with audience.

5. Add Your Personality
People come to listen YOU. Show who are you. Be open with them.

6. Move Around
Interesting point. Truly it’s not comfortable when speaker just stand in one place. Maybe it connects with psychology, but when speaker is moving people want to follow them and respectively listen him.

7. Alter Your Tone Throughout
Learn to control your voice. Your intonation may help you make your performance more qualitative and confident.

8. Avoid Distractions As Best You Can
Concentrate on your speech. A lot of things will distract you. You need to be composed person. If you don’t have focus on your speaking, listeners start losing concentrate on you and your performance.

9. Incorporate Visuals In Your Presentation
Visualization helps people better understand your topic. Use different pictures, infographics, charts and so on. It helps immerse yourself in the narrative. 

10. End With A Bang And Say ‘Thank You
Simple method but so important. Let the audience know that you are thank to them. That people listened and understood you. They made time for you. Listeners will want to come back you, if they feel recoil.

11. Have A Post-Show Meet And Greet
Feedback is so important thing. Your audience helps you to understand pros and cons of your speech. Listen to their opinion, work on yourself and improve your skills.

This person has an incredible number of cool quotes.
I'll memorize a couple to motivate myself every day.

In the end I want to to summarize.
After this research I wanted to get acquainted with this person's work. He is a motivator by nature. I’m interested in how Brian structures his speech and uses intonation, and how he interacts with the audience.