Chongphaisal joined GSK in September 2018 and assumed his current role in 2022. In February 2024, GSK and the Department of Health – Abu Dhabi (DoH) signed an MoU to collaborate on accelerating innovative healthcare in Abu Dhabi by integrating advanced treatments and personalized care. In May 2024, GSK signed an MoU with DoH to establish a regional vaccine distribution hub in Abu Dhabi. Chongphaisal was previously vice president of the Pharmaceuticals Research and Manufacturing Association in Thailand.