思科系统公司

约翰?钱伯斯

????自1995年起任思科公司CEO

????63岁的钱伯斯最近表示，他可能在四年内退休。

罗伯特?劳埃德

????全球业务执行副总裁

????56岁的劳埃德已经在思科（Cisco）工作了二十年，最近外界频传他将是钱伯斯的头号接班人。

Cisco Systems

John Chambers

????CEO of Cisco (CSCO, Fortune 500) since 1995

????The 63-year-old chief recently said he may retire within the next four years.

Robert Lloyd

????EVP, Worldwide Operations

????Lloyd, 56, has hung in for two decades and is frequently named as a possible next in line.