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. 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).Start with a compelling statistic or anecdote about the importance of guest speaking engagements. (e.g. Begin with a Polite Greeting. 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. Students may choose to fill out a. FERPA waiver to allow parents to have access. An Invitation Letter is a document that presents a formal request for the presence of an individual, a group of people or an organization at an event. Your invitation should be a formal email (or letter).