Job interviews:
Understanding the interviewer's questions and how to reply in English.
I also advise people what to say as many people don't know it in their own language. 

Presentations:
The language used when starting and finishing a presentation plus how to transition from one topic to the next.
I also advise on where to stand and how to use resources effectively.

Meetings:
Understanding and using specific vocabulary in meetings to be direct and concise.
How to negotiate using psychology as well as the language. 

General English includes many things:

Understanding is often more important than speaking including listening to films and songs as well as reading.
I am interested in many topics, so we can speak about your individual interests.