See Step 2 in The Designing for Growth Field Book for detailed directions)
This will help you focus your proposed opportunity and see any barriers that might exist. Remember while this is an HR project, trends in HR have broadened the areas of opportunity. For example, you might want to develop a new compensation plan for your employees, or your company might be planning to outsource a large amount of work overseas and you need a plan to address the effect on both current domestic employees and the new relationship overseas.