VSM stands for the Viable System Model and it introduces the concept of a viable organization and its ability to survive in a changing environment. VSM consists of a number of systems that correspond to the needed roles in an organization for it to be viable and self-producing. There are four underlying principles for VSM according to Beer[1]. These four principles and relevant comments on my behalf are presented below.

Maturity has various meanings but from an organizational sense, it is the ability of the organization to act on its experience, to learn, change and improve, essentially what is known as the learning organization[1]. Maturity is seen as being the integration of attitude, knowledge, and action across the management of projects, programs and portfolios. A more mature organization does have a higher rate of project success.

“The central hypothesis behind the OPMM is that an organization’s ability to manage projects successfully can be assessed by analyzing key attributes that define how well project management is being carried out”[2]. OPMM is a 4-level model used to communicate maturity. The 4 stages of OPMM are: