Here is some ideas regarding to your question:
- Learn to work better, more effecient and more effectively. This is the time when 80-20 principle will come to your life.
- Problem solving. No matter what field are there. You just have to solve it.
- Communication skills. With consulting job you will improve them a lot. It's not just about connecting and networking, but also about communicating result of your work clearly
- How to make desicions and delegate.