Hundreds of thousands of people in Canada are members of Costco. I was fortunate be be interviewed for the November/December 2009 issue. See a link to the article here. http://www.costcoconnection.ca/connectioncaeng/20091112/?folio=23
Mount Everest is such an amazing laboratory and training ground for leaders and teams. The level at which you must communicate, lead, problem solve, build trust, and deal with change and risk is phenomenal. If you are looking for it you can see great examples of amazing leadership and teamwork and shocking displays of ineffective leadership and total lack of team. If you look closer you can easily see the factors that create success and failure.
If all you are looking for is a small improvement you can likely just tweak your existing system to meet your goal. If you are looking for a total shift in your culture or to meet stretch goals you may need to bust your old system and develop a completely new one. This will take courage, trust, communication and leadership.