The article focuses on executive development. More than half of executives polled by the Association of Executive Search Consultants said they expected to work for seven or more employers during their career. That percentage increased six-fold over the last 10 years. Herman Group Inc. names company changes such as downsizing, restructuring, outsourcing and offshoring. A majority of survey respondents and Executive Development Associates Advisory Board members said metrics must be added to executive development efforts in order to assess steps' impact on individual performance and the business as a whole.