Christian Wallis, BAgSci MEnvSci CPSS.

Christian is the Technical Practice Lead - Environment and Technology and a Principal Envi­ron­men­tal Scientist with over 25 years' experience special­is­ing in the inves­ti­ga­tion and remediation of cont­a­m­i­nated and ecolog­i­cally sensitive envi­ron­ments to support the water sector, major infra­struc­ture, industry and the government.  Christian provides specialist technical direction and innovative input to the design and imple­men­ta­tion of simple to complex soil and groundwater assessment and remediation projects, in particular facilities impacted by PFAS.

Christian is a Certified Practicing Soil Scientist (CPSS) with a speciality recognition in Cont­a­m­i­nated Land Assessment and Management (CSAM) and an EPA appointed Envi­ron­men­tal Auditor. Christian has represented both government and private sector clients in Panel hearings, Board presen­ta­tions and extensive Legal Privilege matters relating to PFAS, metals, acid sulfate soils and other envi­ron­men­tal related business risks. Christian has been engaged by the regulator in a technical advisory role relating to precinct scale soil and groundwater pollution, including for abandoned mines. Christian has prepared best practice envi­ron­men­tal management guidance for the onsite treatment and management of soils and wastes and supported the approvals process for treatment (soil, compost & water) facilities.

Christian regularly presents at industry forums and conferences on project sustain­abil­ity, soil science, envi­ron­men­tal risk management, remediation and envi­ron­men­tal tech­nolo­gies. Christian has prepared and delivered advice to support government briefings on significant public interest issues. This broad industry experience demon­strates Christian's ability to implement government policy, engage with diverse stakeholder interests to achieve successful outcomes for clients.