John Carter

John Carter is an experienced professional in the valve management and operations sector, currently serving as Valve Manager at Denholm Zholdas since June 2023. With a strong background, John has held various significant positions including Operations Manager at Severn, North-East Division Manager at Control Valve Services, and Valve Division Supervisor at SGS Petroleum Service Corporation. Previous roles include Valve Consultant/Coordinator and PSV & Control Valve Supervisor, demonstrating expertise in valve repair and maintenance. John's extensive career spans over 18 years, beginning as a Field Service Engineer/Workshop Team Leader at Valvtechnologies Inc., showcasing a comprehensive understanding of valve and pump servicing across various mechanical workshops and environments.