Paul was a successful VC, but moved to become a founder and CEO.  In this episode we explore how to build a successful enterprise SaaS business, targeting the complex problem of accounting collections. It sounds niche, but there is lots to learn from Paul about building products for the line of business.  Niches can be super profitable, and can grow into significant market categories. We look at how SaaS products can function as a layer on top of existing applications, partner strategies and much more.