We are entering, or perhaps in the thick of, a golden age for SaaS—software as a service—companies. Everywhere we look a new SaaS startup is popping up, so we thought we’d learn a bit more about how investors determine which teams to back; we were lucky enough to sit down with investor Casey Aylward of Costanoa Ventures for a conversation on how these companies develop their go-to market strategies, whether Costanoa prefers greenfield opportunities or solutions with marginal improvements, and how students can position themselves for careers working-in or investing-in SaaS companies.