Rogelio Mercene is a special class welder and pipeline welder with over 20 years of experience in oil and gas construction projects. He has extensive experience welding pipelines, offshore platforms, refineries, and power stations using various welding methods including CRC, Bugs, PWT, TIG, STT, and FCAW. He holds several safety and welding certificates. His most recent roles include working as a pipeline welder for APLNG and QCLNG gas pipeline projects in Australia.