We'll detail everything you need to know about how to invite a guest speaker, from the earliest planning stages to drafting a formal speaker invitation letter. Invitation letters are available to be picked up in the Center for International Programs and Services.On behalf of the XYZ and the XYZ Organizing Committee, we are honored to invite you to speak at the XYZ event celebrating Cybersecurity Career Week (CCW). We are excited to invite you to join us as a featured speaker at this event. Your invitation should be a formal email (or letter). Outline the reasons why you've chosen them as the best person to speak at your event.