Once again, we have pulled off a successful (event). Thank you for your hard work in making this event come to life. I know you've put in many long hours at the office and your efforts have not gone unnoticed. I am appreciative of all you do to make (company) great....
Dear (recipient's name),
Once again, we have pulled off a successful (event). Thank you for your hard work in making this event come to life. I know you've put in many long hours at the office and your efforts have not gone unnoticed. I am appreciative of all you do to make (company) great.
Sincerely,
(your name)
