安然事件后，《商业周刊》根据安然等公司财务丑闻所暴露出来的美国公司董事长的欠缺之处，重新制订了标准。按照这个标准，评判公司董事会的优劣首先看其独立性。具体来说，董事会的四大标准是：１．董事会中不能有两名以上的董事是公司现任和前任总经理；董事中不能有人与本 After the Enron Incident, BusinessWeek re-established the standards based on the deficiencies of the chairman of a U.S. company exposed by financial scandals such as Enron. In accordance with this standard, judging the merits of the company's board of directors first look at its independence. Specifically, the four standards of the board of directors are: 1. There are no more than two directors in the board of directors who are current and former general manager