Dr Omid Khalaj is a Principal Geotechnical Engineer at Costain with more than 20 years of experience in onshore, nearshore, and offshore geotechnical engineering. His expertise includes ground investigation management, geotechnical interpretation, foundation design support, and geotechnical risk assessment for major infrastructure and energy developments. Omid has led multidisciplinary geotechnical teams on complex projects including pipelines, highways, railways, airport infrastructure, and major energy and water sector schemes across the UK, Europe, and the Middle East. In addition to strong technical expertise, he brings significant consultancy and commercial experience in project delivery, stakeholder coordination, and engineering management. He holds PhDs in Civil (Geotechnical) Engineering and Mechanical/Materials Engineering and is a Chartered Engineer (CEng MICE).