Gavin is an RICS-trained Fellow of the Institution of Civil Engineers with over 35 years' experience of construction, oil and gas and engineering projects across six continents. Gavin is a regular expert witness and adviser to lenders and insurance companies on construction projects. Gavin is a Founder & CEO of GTL International, a global, multi-disciplinary engineering and technical advisory consultancy. GTL has supported project financings totalling more than USD 15 billion and conducted technical due diligence for acquisitions exceeding USD 10 billion. GTL holds an Integrated Management System certified to ISO 9001:2015, ISO 45001:2018, ISO 14001:2015 and ISO 10006:2017.