Translation of Biologe

I try to learn English as much as possible so that I can travel next year to the United States. I would agree to your proposal but I also need to find good teachers. My goal is quality and speed.
Everything's fine over here. The weather is a bit crazy, but otherwise everything is ok. I wrote this one based on what you gave me previously. This is a very common form of saying it in Spanish outside Argentina.
I've never been to Switzerland, but I'd like to go to the Alps. Until now I was only in Austria and in France. Maybe I will go there, for example skiing in Davos or in another nice mountain village.