Abdulla Ateya Al Messabi appointed CEO as Abdulrahman Al Seiari prepares for retirement after decades of service.
Abdulla Ateya Al Messabi was appointed CEO of ADNOC Drilling in June 2025, succeeding Abdulrahman Al Seiari, who retires at year’s end after over 45 years with ADNOC .
A seasoned leader with more than 20 years of experience across ADNOC’s value chain, Al Messabi previously led both ADNOC Sour Gas and ADNOC Refining, delivering operational excellence, business transformation, and sustainable growth .
Appointed by a board chaired by H.E. Dr Sultan Al Jaber, he brings deep expertise in complex energy operations and digital advancement. Under his guidance, ADNOC Drilling will accelerate profitable growth, workforce development, and tech-driven innovation, including expansion of its rig fleet and AI integration across operations .
As CEO, Abdulla Al Messabi is poised to lead the company toward its next frontier, scaling efficiently while supporting ADNOC’s upstream ambitions and delivering long-term stakeholder value.