Investor perspective
The investor perspective should always be present. The investors you are targeting are private impact investors or private impact funds. Make sure you understand the needs and wants of these investors and you create a "pitch" that caters for their needs and wants and takes into account their anxieties and fears. What do investors really want? Do you really know?
Watch: https://sites.google.com/site/moocmodules/entrepreneurship/the-art-of-the-start
Minimal requirements:
What do you expect from the investor
What can the investor expect from you
How is the investor going to make impact in the process