Today we are here to talk about...Before westart, I'd like you meet me...

　　- Before I start our presentation, let's takea brief look at the agenda...

　　- I shall be offering a brief analysis of...

　　- the subject of my presentation is...

　　- I shall be speaking today about...

　　- My presentation concerns...

　　- Today we are here to give a speech on...

　　- Thank you for giving me the opportunity totell you about me...

Finally...

　　-By way of conclusion...

　　-In conclusion, I'd like to...

　　-I'd like to finish by...

　　-I hope I have made myself understood...

　　-I hope this has given you some idea/clearidea/an outline of...

　　-Let me end by saying thanks。

　　-That, then was all I had to say on me.

　　-I hope I've managed to give you a clearerpicture of me。

　　-Thank you for your listening。