Translation of ringleader in German

In addition I wanted to ask you whether you could quickly send me the language file that you created with your colleagues at Harvard. The entire language package needs to be reviewed and published.
I am happy that you are satisfied with your results! Of course I will come again. However, next time I would like to speak to each of the professors in advance to see what their need is.
On the way back I visited a private beach resort. I just wanted to see whether I could get in and it was not a problem at all. The resort belonged to some club on the main land near Cancun.