Complex sentence: He went on to be Chief Executive of Amec Foster Wheeler (formerly Amec) in October 2006 serving until 18 January 2016 when he stepped down, and was succeeded by Ian McHoul, the Chief Financial Officer, on interim basis.
Split into simpler sentences: He went on to be Chief Executive of Amec Foster Wheeler (formerly Amec) in October 2006. He served until 18 January 2016 when he stepped down, and was succeeded by Ian McHoul, the Chief Financial Officer, on interim basis.