If you are feeling apprehensive about public speaking or presenting, typically at the root of the anxiety is fear of embarrassing yourself. With careful preparation and focus on delivery, it can be easy to avoid embarrassment in a monologue style presentation. But what about when you open up the floor for questions and comments?

Audiences can be tricky: Even if they're your peers, co-workers, or experts in a certain field, everyone has their own agenda and emotional logic. By giving a presentation and soliciting feedback, you are inviting a variety of different personalities to listen and comment on your work. Audience member responses can range from boredom to outright hostility for reasons that may be unclear to you. To conquer a difficult audience, follow these tips:

Since the start of this election cycle, we've all seen several debates between various party candidates leading to the current slate of Presidential and Vice Presidential debates.  One crucial figure that sometimes gets overlooked in these debates is the moderator.

Whether it is part of a debate or panel discussion, moderators ostensibly are tasked with overseeing and facilitating a conversation — without overtly contributing their opinion or being a central part of the dialogue. They ask questions, solicit audience feedback, keep an eye on how much time remains and try and keep the conversation balanced between all panelists and experts. They're essentially the ringmasters, keeping dialogue moving and emphasizing major points.

While this may seem like an easy task, the truth is that the moderator often has the hardest job on the panel. It requires strong listening and comprehension skills, patience, and focus. Here are a few tips to help when you take on the role of moderator in a panel discussion:

TED Talks — an acronym for Technology, Entertainment, and Design — are almost universally considered the gold standard for successful public speaking. Curated by author and entrepreneur Chris Anderson and the TED leadership team, videos of TED speakers at conferences routinely go viral, racking up millions of views from all over the world.

The short, compelling presentations are delivered by thought leaders, craftsmen, artists, scientists, executives and innovators in a variety of fields. Filmed at TED conferences nationwide, speakers vary greatly and have included countless luminaries, including Sarah Silverman, Tony Robbins, Elizabeth Gilbert, Steve Jobs, Bill Gates, Al Gore, J.K. Rowling and many, many more.

What unites all these different figures? They have all harnessed the most effective presentation skills to deliver persuasive, insightful, funny, emotional and — most importantly — compelling speeches to rapt audiences on the TED stage. Here is a guide to what makes a TED talk so engaging and what tools subject matter and technical experts can use to make their own presentations as compelling — straight from the experts themselves.