Since then, Simon has been involved in a wide variety of projects with IRBA. Coalfield projects include Greymouth Coalfield (database development, stratigraphy and geotechnical design), Pike River Coalfield (resource assessment and subsidence analysis) and desktop reviews of coal and lignite resources in Otago and Southland. Petroleum projects include extensive wellsite geology assignments in onshore and offshore Taranaki, preparing numerous well completion reports and assisting with petroleum mining permit applications and geotechnical assessments of pipeline routes. Geotechnical projects include site investigations and active fault hazard assessments throughout Wellington and the Wairarapa, and hardrock quarry resource modelling.