On [date]，we will host an evening of celebration in honor of the retirement of [name]，President of [company]. You are cordially invited to attend the celebration at [hotel]，[location]，on [date] from to p.m.
[name] has been the President of [company] since [year]. During this period，[company] expanded its business from to.Now it's our opportunity to thank him for his years of exemplary leadership and wish him well for a happy retirement. Please join us to say Good-bye to [name].
