Vertex Ventures, a venture capital firm, and Sequoia Capital, an American venture capital firm, led a $15m Series A funding round in CloseFactor, a GTM operating system for revenue teams, with participation from GTMFund and Neythri Futures Fund. “Early stage investing, when a new idea is introduced, requires a large market and an incredible founding team. We believe the CloseFactor founders cracked the code in giving sales and marketing teams an unfair advantage with a compass to revenue," Jonathan Heiliger, Vertex Ventures General Partner.