Growing revenue and profits is a core objective of most companies, and it is the responsibility of every function to contribute to the pursuit of this goal. Yet, in recent years technology startups have embraced a new role, Growth Manager — alternatively Growth Hacker, Growth PM, or Head of Growth — that focuses on it exclusively. By viewing product development and marketing as integrated functions, not silos, leading tech companies like Facebook and Pinterest are rethinking their approach to driving growth and achieving breakthrough results.