The model definition of effective leadership is based on two dimensions:
Leadership in the modern context cannot be distracted from steering the organisations that they are responsible along the path to success, from the point of view of making useful and successful repeated journeys of realising competitive business performance on the one hand, but also the overall health and sustainability of the business has to be maintained for the long term. Here lies the main challenge for leaders:
These three propositions cannot be treated in isolation. Leaders will have to use balanced judgment, scientific approaches based on information and analysis of markets, competition, customer feedback etc., and also they have to use cumulative experience on what makes sense and what pleases and delights the customer. Furthermore, leaders will have to use intuition and rely on newness and innovative thinking for stretching the competitive gain and maintaining a leadership position if they wish to do so. However, leaders will have to comply with a list of requirements that are thought to create a momentum for sustainable business growth, for the maintainability of purposefulness and in terms of continuity.
Figure 1: Excellence Tetralogy: The Leadership Element
In terms of constancy of purpose leaders are expected to undertake the following activities:
In terms of the second challenge for leadership, it is their ability to stimulate growth at various levels and ensure that the businesses are set to do what is expected of them and they can deliver to the expectations of the various stakeholders. For this, leaders of the 21st century are expected to focus on the following key activities:
The word Tetralogy is thought to come from ancient Greek drama festivals where different plays were presented in the form of Tetralogy. The real inspiration for coining the term “Excellence Tetralogy” has come from the work of Dr. Joseph Juran, who before this coined the term “Juran Trilogy” in some of his major works on quality. Trilogy is made of three important aspects in quality planning, quality control and quality improvement.
1. Quality planning which is to identify the most important needs of the customers.
2. Quality control which is to ensure that the process is running in an optimum and effective manner.
3. Quality improvement which is to reduce the cost of poor quality by eliminating the wasteful processes and improving it.

Figure 1: Juran’s Trilogy
Tetralogy has been an extremely useful philosophy in promoting the application of total quality management as an integrated concept, and Juran has supported his Trilogy with tools and techniques that have enabled organisations to apply the principles of quality, to optimise their capability for delivering quality and value to their customers. Excellence Tetralogy is the result of significant research work that has been undertaken for a sustained period exceeding 20 years.
Most of the elements proposed in the Excellence Tetralogy approach have been empirically tested and validated in most sectors of the economy and using different geographical contexts in various parts of the world. Excellence Tetralogy is based on 4 key elements, which are:
1. The Leadership
2. The Capability
3. The Customer
4. The Business
This model represents the 4 key elements of Excellence Tetralogy.

Figure 2: Key Elements of Excellence Tetralogy
Excellence Tetralogy is an opportunity to build upon the work of total quality management in enabling businesses internally to a higher level of operation, where the ethos is more on holistically creating organisations that are fit to operate for the short term and capable of ensuring their future survivability and continuity.