In A Simple Statement: A Guide to Nonprofit Arts Management and Leadership, Jamie Grady writes what he’s learned about mission statements over the years.
What Is a Mission Statement
Grady writes:

A mission statement is a single sentence or short paragraph that states
the company’s central philosphy, beliefs, values, and principles.
It clarifies the work of the organization.
It needs to be the single device with which a company measures its success.

Keys to an Effective Mission Statement
Grady writes:

It should be recognizable, unique, exciting, and inspiring.
It is a simple expression of why the organization was created …

In A Simple Statement: A Guide to Nonprofit Arts Management and Leadership, Jamie Grady writes:

When discussing corporate values, we naturally think of the term coporate culture. Corporate culture is the culmination of many factors: the type of business the organization is in, the type of artistic discpline it presents, its programs and services, its audience, its size and location, its methods of operating, and its interaction with the public. Even more important are the intangible factors: beliefs, values, and the norms and expectations of the company. Values play a key …

In A Simple Statement: A Guide to Nonprofit Arts Management and Leadership, Jamie Grady writes the following points on organizational values:

Organizational values are abstract ideas that guide organizational thinking and actions.
Organization values represent the foundation on which teh company is formed.
Defining an organization’s unique values is the first and most critical step in its formation and development
While difference in opinion and skills may be beneficial to the success of an organization, a unity of purpose must be maintained.
In order for the institution to be successful, the …