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. You should include the name of the host, formal expression, the event purpose, date, time, and venue, contact details, and RSVP.Begin with a Polite Greeting. Learn how to create an invitation letter for a visa application with tips, format guidance, and examples to make the process easier. 1. Only one guest per invitation resolution can speak - guest comments must be limited to 1 minute or less. 1. Only one guest per invitation resolution can speak - guest comments must be limited to 1 minute or less. I have invited our close friends only and I hope you would come to the party. It will be fun like last year. University of West Georgia hosts a commencement ceremony each Spring and Fall semester.