Appointed director of Integrated Reservoir Solutions Ltd in 1998. Andrew is responsible for the Company’s global financial reporting, treasury, tax and accounting functions. As a scientist, his experience includes regional basin studies and detailed field evaluations. Specific expertise in reservoir characterisation has been developed, through the integration of sedimentological and petrographical datasets. He is experienced in sequence stratigraphic methodologies, particularly high-resolution sequence stratigraphy, as well as biostratigraphy, chemical stratigraphy and the use of advanced diagenetic techniques in problem solving exercises.