how to overcome anxiety?

okay i prepare very well for interviews, presentations at schools but i realy do the worst performance when am actually facing a group of people or at the interviews. anxiety is the my biggest problem ..i get anxieted and it wont let a singleword to comeout . are there any tips to overcome this anxiety?

I usually think ” as soon as I start speaking the sooner its all over with ”

Think about where you would rather be.. and make it a goal that in order to be there you need to finish this interview.
Plus, also believe that the interview or groups of people will build great character for you and you will be the person you want to be from those experiences

Overcoming Job Interview Anxiety – A Listener Role-Play (PS he got the job!)