Mark Hennessy

Mark Hennessy is a Senior Associate Estimator specializing in civil and structural engineering at Jacobs since January 2023, where responsibilities encompass comprehensive cost management services and detailed cost planning. Previous experience includes positions as Senior Estimator and Estimating Manager at DOOLEE from February 2018 to January 2023, and as Senior Estimator at Laing O'Rourke from July 2015 to February 2018. Earlier career roles involved carpentry at Monford from July 2012 to July 2015. Mark holds a BSc Honors in Quantity Surveying and a BSc in Construction Management, both from the Institute of Technology, Sligo, obtained between 2014 and 2018.