Ahmed

“The Group Product Manager Role There's a role in larger product organizations that I find especially effective. The role is titled group product manager, usually referred to as GPM. The GPM is a hybrid role. Part individual contributor and part first‐level people manager. The idea is that the GPM is already a proven product manager (usually coming from a senior product manager title), and now the person is ready for more responsibility. There are generally two career paths for product managers. One is to stay as an individual contributor, which, if you're strong enough, can go all the way up to a principal product manager—a person who's an individual contributor but a rock‐star performer and willing and able to tackle the toughest product work. This is a very highly regarded role and generally compensated like a director or even VP. The other path is to move into functional management of the product managers (the most common title is director of product management) where some number of product managers (usually somewhere between 3 and 10) report directly to you. The director of product management is really responsible for two things. The first is ensuring his or her product managers are all strong and capable. The second is product vision and strategy and connecting the dots between the product work of the many teams. This is also referred to as holistic view of product. But lots of strong senior product managers are not sure about their preferred career path at this stage, and the GPM role is a great way to get a taste of both worlds. The GPM is the actual product manager for one product team, but in addition, she is responsible for the development and coaching of a small number of additional product managers (typically, one to three others). While the director of product management may have product managers who work across many different areas, the GPM model is designed to facilitate tightly coupled product teams.”
― Marty Cagan, Inspired: How to Create Tech Products Customers Love