Mike Nash is a Principal of Douglas Partners and is a former Managing Director of the company. He has over 40 years’ experience in the geo-environmental industry. Mike has worked in UK in the quarrying and landfill industry and in water resources, in Hong Kong in the Public Work Department on slope stabilisation, and on landfill development and latterly on the replacement airport (dredging and construction). For the last 26 years Mike has worked in Australia with Douglas Partners’ Sydney branch. Mike’s contribution to Douglas Partners’ technical services involves a range of geo-environmental consulting areas including; statutory and non-statutory auditing, contamination investigations/site assessment and the development and implementation of remediation plans, hydrogeological investigations, landfill gas investigations and ground gas mitigation, leachate treatment and landfill design. Mike is an accredited auditor in NSW and is a certified contaminated sites practitioner (CEnvP-SC) and CPEng NER with Engineers Australia. Mike has published a number of papers in journals and at conferences on contaminated site remediation, landfill gas mitigation, groundwater contamination and remediation, waste management and landfill design.