"There is no greater waste of time than doing efficiently that should never have been done." -- Peter Drucker There are 4 major shifts that a startup needs to make in order to be successful in the scaling-up journey. The 3rd Shift is from Individual Productivity to Human Execution System. When you are a startup, it is important that everyone is productive, but once you have a relatively large mass of human beings, it's about making sure that the company is productive. Mos