This is an excellent example of pressing the right buttons. You bring up a fantastic point about the 'environment' of relatioinships and getting to know WHO and WHERE to start. By starting at the 'C' level, you maximize your ability to obtain management buy in. Decision makers will push the project on the business side. To add to your intro article, it is important to understand the business entities and focus on one at a time. Break your staff up so each is point for a different business unit. This helps build rapport with users by putting a familiar face to the data warehouse. Then cross train your developers to insure they can support one another. Finally, request subject matter experts from the business units. This allows your point developer to be part of a cross functional team and insures an actionable end product from the warehouse. Great intro article!