John heads the US Energy Property and Construction team at Liberty Specialty Markets, leveraging over 20 years of experience in the energy sector. Since joining Liberty in 2011, he has undertaken various engineering, underwriting, and leadership roles, with a focus on Oil, Gas, Petrochemical (OGPC), Power, Heavy Industries, and Builder’s Risk. Before his tenure at Liberty, John held technical positions at Schlumberger, specializing in upstream Oil Field Services, and at UOP (Honeywell), where he provided consultation on the commissioning of refinery process units worldwide.