There have been some good blogs on the Portfolio Management being executed by Business Managers v/s Project managers.
Is "Product (or Service)" Management a logical extension for the Project Managers?
What are the channels and prerequisites for a Project Manager to transition to Product Manager, which can ultimately lead to a Portfolio Mgr. ------------------------- For reference: A very nice and relevant post from Andy - referring Portfolio Management transition: https://www.projectmanagement.com/articles...tion-PMO-Leader Saving Changes...
A role as a PM provides a good stepping stone to a number of possible career paths, one of those being into a pure business role such as a product or portfolio manager. A PM who has interest in such a transition should try to learn as much as possible about the company's products & services, demonstrate a strategic mindset in the recommendations he/she puts forward, and get some foundational education (assuming he/she doesn't already have it) in marketing, strategy and a few other disciplines.
"It is an important and popular fact that things are not always what they seem. For instance, on the planet Earth, man had always assumed that he was more intelligent than dolphins because he had achieved so much -- the wheel, New York, wars and so on -- whilst all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man -- for precisely the same reasons."