"The GYA would like to thank <MEMBER TITLE AND NAME> for their valuable contributions to the GYA this past year. These include <MEMBER TEXT FORM>." (for example, you may like to mention a few concrete activities or if you have been leading a working group etc. If you do not fill anything in here, the letter will still have a thank you for your GYA contribution and the general description of activities at the AGM as in above paragraph).