Our Management Team

Meet Our Management Team

Key personnel within the firm bring over 20 years of experience working within the industries which PE now serves. This unique perspective facilitates a comprehensive understanding of clients’ needs, enabling our team to produce achievable, cost-effective solutions that are commercially and environmentally responsible.

We believe strong environmental management is fundamental to the commercial sustainability and success of our clients.

Chris Butler

CEnvP (Site Contamination Specialist)

Director | Principal Scientist

0431 565 210

Chris is Director and Principal Scientist with 20 years experience in the construction, petroleum and civil sectors. Chris is a Certified Environmental Practitioner (Site Contamination Specialist), Member of the Environment Institute of Australia and New Zealand, and a contaminated land Suitably Qualified Person (SQP) in Queensland. Chris’s main areas of expertise are contaminated land management, wastewater management, acid sulfate soils and water quality. Chris has extensive experience in the area of due diligence assessment for the financial and legal sectors.

Adam Gilltrap

BAppSc (Env)

Senior Environmental Scientist

0409 016 199

Adam is Team Manager for the Gladstone / North Queensland area with 15 years experience in the construction and civil sectors.
Adam’s main areas of expertise are environmental licensing, management and approvals, environmental auditing and management systems, erosion and sediment control, acid sulfate soils and water quality assessment. Adam has significant experience servicing the extractive industries and the management of environmentally relevant activities.

Luke Merzlikoff


Operations Manager | Senior Environmental Scientist

0433 900 226

Luke is Team Manager for the Sydney / Central and South Coast New South Wales area. Luke has over 12 years experience in the construction and petroleum sectors with expertise in contaminated land, wastewater and groundwater management, water quality assessments and environmental management plans. Luke is also a Queensland Government approved contaminated land consultant (Suitably Qualified Person – SQP).

Sean Gardiner


Environmental Scientist

0409 827 396

Sean is an Environmental Scientist with a BSc (Hons.) degree from Griffith University. Sean has extensive experience with site and soil evaluations (plumbing and drainage approvals) for commercial and residential wastewater systems. Sean also has exceptional knowledge relating to groundwater contamination assessments and water quality monitoring for commercial establishments.

Rebecca Schofield


Administration and project assistance

(07) 5593 7848

Rebecca is in the third year of an Environmental Science degree, majoring in soil and water science and environmental management. Rebecca brings years of customer service and administration experience, and provides integral project assistance through her strong academics and high attention to detail.