Cerys has been with PGS, an integrated marine geophysics company, for over 25 years. Cerys started as a geophysicist, working in onshore and offshore seismic acquisition operation. Cerys left the offshore world in 2006, becoming project manager, then in 2008 technical manager. In 2011 she became head of the operations technical department responsible for the seismic equipment and technology development onboard PGS marine vessels. This included maintaining, improving, replacing and future development of the equipment to maximize efficiency and the return on investment, in a safe manner. In 2019 Cerys moved to the newly created "Digital Transformation" division at PGS and since April 2021 is the Vice President of Analytics and Digitalization.