How can the current investor support the preparation for the next funding round?

What support can you expect from your early stage investor during the preparation for the next round?

Is there any clear border between investor’s and founder’s role?  To what extent should an investor be operative, should he/she do the work instead of the startup? Why is it important to work very closely yet respect those borders?

Insights and opinions from Peter Balogh, Antal Károlyi (HunBan) and Enikő Deák (Hiventures)