Errol Johnstone had a distinguished international career with ExxonMobil for more than 29 years in a variety of exploration and appraisal roles, with particular emphasis on new ventures, basin analysis and new play generation. Mr Johnstone is one of the industry’s experts in structural geology, regional geologic synthesis, sequence stratigraphy and 2D/3D seismic interpretation. He has extensive experience on multi-disciplinary taskforce studies and working with Russian, Japanese, Malaysian and Indonesian geoscientists. He has also been active in teaching structural geology field schools and mentoring new geoscience staff. With experience throughout most of the Australian and Far East basins including Russia, Mr Johnstone's multidisciplinary skills in geoscience integration generated many new exploration play initiatives resulting in several significant discoveries.