In modern English, Presentations tend to be much less formal than they were even twenty years ago. Most audience these days prefer a relatively informal approach. However, there is a certain structure to the opening of a Presentation that you should observe.

1.Get people's attention
2.Welcome them
3.Introduce yourself
4.State the purpose of your presentation
5.State how you want to deal with questions

Get people's attention
-If I could have everybody's attention.
-If we can start.
-Perhaps we should begin?
-Let's get started.

Welcome them
-Welcome to Microsoft.
-Thank you for coming today.
-Good morning, ladies and gentlemen.
-On behalf of Intel, I'd like to welcome you.

Introduce yourself
-My name's Jane Shaw. I'm responsible for travel arrangements.
-For those of you who don't know me, my name's Tom Stotter.
-As you know, I'm in charge of public relations.
-I'm the new Marketing Manager.

State the purpose of your presentation
-This morning I'd like to present our new processor.
-Today I'd like to discuss our failures in the Japanese market and suggest a new approach.
-This afternoon, I'd like to report on my study into the German market.
-What I want to do this morning is to talk to you about our new mobile telephone system.
-What I want to do is to tell you about our successes and failures in introducing new working patterns.
-What I want to do is to show you how we've made our first successful steps in the potentially huge Chinese market.

State how you want to deal with questions.
-If you have any questions, I'll be happy to answer them as we go along.
-Feel free to ask any questions.
-Perhaps we can leave any questions you have until the end?
-There will be plenty of time for questions at the end.