Cos re-joined Fulton Hogan in 2017 as Group CEO and was subsequently appointed as Managing Director in 2018. Prior to re-joining Fulton Hogan, he spent a decade working in a number of senior roles at Downer, including CEO of New Zealand.

He has over 35 years of experience in the construction sector across New Zealand and Australia. Cos first joined Fulton Hogan early in his career and spent the next 15 years in a wide variety of management roles and contracting disciplines across New Zealand, Australia and the South Pacific.