10. Thank you for always speaking up in team meetings when no one else does.
11. I'm grateful for your taking on the extra work when no one else stepped up.
12. Thanks for always being willing to lend a hand.
13. You've really made a tremendous difference here, and I'm thankful you joined the team.
14. You've gone above and beyond this week. Please take the rest of the day off.
15. Thank you for being so flexible. I couldn't have done it without you.
16. You were instrumental in saving the company from losing one of its best clients.
17. Just when I thought your work couldn't get any better, you pull that off! Thank you!