Make sure you have the audience in the palm of your hand at the start of the presentation.Starting presentation with a strong opening like current events, quotes useful in getting audience attention .Presenter can  start topic or speech with an interesting fact,start speech by describing a problem ,can be started by telling a story, humor also play a vital role in maintaining audience concentration .People used to pay attention to things  that build suspense. People nearly always pay attention to matters that affect their health,reputation,property or employment.Be relevant to the topic and use examples which are specific and precise .

 

capture your audience 's attention the moment you begin to speak and keeping their attention throughout. A good opening also establish your credibility.consider natural style of introduction.Body language is a form of non verbal communication ,which consists of body posture ,facial expressions and eye movement.some persons used strong words like "tomorrow we begin again". 93% is non verbal communication.Every moment you spend with others make valuable and in case of business makes profitable.

The biggest challenge for the presenter is to grab the audience attention and keeping the attention of audience.Most of time people is lost in daydreaming .They are thinking about their problems ,sometimes busy in planning their rest of tasks.Say your words in different manner, so that you could be able to bring back your audience in current world.Be confident what are you saying so that audience trusts on you that you are guiding to them .Ask ques from the audience because audience remember 30 percent of your presentation and 85% of ques you asked from them.Give breaks during the session .Conclusion is most important for the wrap up your presentation .