各位高手帮忙看看这句话有木有问题。。

John Donahue at Harvard’s Kennedy School points out that the norms of culture in Western civil services suit those who want to stay put but is bad for high achievers.
尤其是这里的 is 感觉很怪，它的逻辑主语是谁呢。。。？找不到对应项。。。