Before diving into the important information, inform the audience how you will be dealing with questions. Please hold all question until the end and I will be answering questions as we go along so just raise your hand are both completely acceptable statements that briefly and precisely address questions.
Your entire open statement should be no more complicated that this:
Okay, let’s get started. Thank you for coming. My name is John Smith and I am the Chief Operating Officer of Udemy. I would like to talk to you today about how Udemy is going to help democratize education. I will be taking questions as we go so just raise your hand if you have a question.
It is that simple.