Steve is an industrial chemist, geochemist and hydrogeologist with 40 years experience in industrial and mining process water and hydrometallurgical treatment and groundwater investigations and management. Steve worked as a senior research scientist in isotope geochemistry for 11 years at the Australian Nuclear Science and Technology Organisation (ANSTO), completing a PhD on the geochemistry and hydrogeology of un-mined uranium ore bodies. Steve founded the consultancy Ecoengineers in 1999 and has provided services to many projects around the world, often as an expert subconsultant to major Australian engineering consultancies such as SKM, SMEC, Hatch and the Cardno Group. Steve has also helped pioneer many large, MAR schemes in the western US. He has provided consulting services to BHP Billiton, Gujarat NRE and Xstrata in relation to coal mining in the NSW Hunter Valley and Southern coalfields. Steve is the author or co-author of over 60 peer reviewed papers and book chapters, numerous conference presentations and over 250 major consultancy reports.