Jak w języku angielskim określić "specjalność" na studiach?

an area of work or study that somebody gives most of their attention to and knows a lot about; something that somebody is good at
My speciality is international tax law.- to z oxf. dictionary.

I am not sure what is your original idea, message to communicate.

My proposal is the following:

I graduated from..., as a specialist in...

Powodzenia,