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).How do I sign up to speak? We are excited to invite you to join us as a featured speaker at this event. 4> Introduction: Introduce yourself and state the purpose of the letter. 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. The more detailed application will be filled out and submitted. Andover is the targeted area for this project. The complete texts of which are set forth in the CCAC Administrative Regulations Manual. Cookies.