Hamish Tyrwhitt
Non-Executive Director, Chair since Oct 2023 / Macmahon Holdings
Hamish Tyrwhitt is a qualified civil engineer with extensive global experience in the contracting business, having served as a senior executive and sat on the boards of large public-listed contracting companies.
Mr Tyrwhitt had a 28-year career with Leighton Group (now CIMIC) and was managing director and chief executive of its listed parent company Leighton Holdings from 2011 to 2014 where he led its global operations. Prior to that, Mr Tyrwhitt was the managing director of Leighton Asia from 2007 to 2011. Since leaving the Leighton group in 2014, he has held CEO roles with companies based in Dubai, and with a resources company listed on the London Stock Exchange.
