Key Personnel

David Bristow

David Bristow

BE(Chem), MIEAust., RPEQ, FAIM Managing Director

A third generation water engineer with over 30 years professional experience in water, wastewater and sewage engineering, chemistry, management and quality control, David is a sought-after industry expert. Regularly called on as an expert witness and to solve environmental problems others have deemed too difficult, David has worked in Australia and the South Pacific’s most isolated, pristine and sensitive environments. He is proud to claim Simmonds & Bristow’s position as the regional and remote water specialist.

Liz Millan

Liz Millan

Chief Trainer

Liz joined S&B in 2009 bringing extensive experience in water and waste water operations and laboratory management. She is passionate about passing on her knowledge, skills, tips and tricks collected over her 30 year career. Liz specialises in tertiary training delivery of Cert IV and higher qualifications in Water Operations. She is passionate about passing on her knowledge, skills, tips and tricks collected over her 30 year career. Liz specialises in tertiary training delivery of Cert IV and higher qualifications in Water Operations.

Martin Crossley

Martin Crossley

Chief Scientist/Engineering & Scientific Services Manager: Msc (Environmental Management); BSc (Hons) Biology & Chemistry

Martin joined Simmonds & Bristow in 2017 as Chief Scientist and as the Manager of our Engineering & Scientific Services team. An accomplished environmental professional, Martin has over 20 years of international experience gained in the water industry and environmental consultation appointments. Martin holds formal qualifications in the pure sciences, environmental management, auditing, training and work health and safety.

Contact David!
Contact Liz!
Contact Martin!
Michael Evans

Michael Evans

Plant Operations Manager: Bachelor of Process & Chemical Engineering

Michael joined Simmonds & Bristow in 2017 to manage the Plant Operations Team. An experienced water process and chemical engineer, Michael has an excellent track record of achieving results. Extensive knowledge of water and waste water treatment processes and design, coupled with demonstrated ability to apply these skills to varied engineering projects at a consistently high standard, make Michael an excellent addition to our team.

Elena Moeller

Elena Moeller

BEnvE, MBA, Process Engineer

Elena joined Simmonds & Bristow in the middle of 2012 as a process engineer with our Water Consultancy department. Elena brings to the Water Consultancy team at Simmonds & Bristow a wealth of knowledge and experience in Environmental and Process Engineering in the areas of water efficiency, integrated water management & wastewater treatment design.

Terrence Allen

Terrence Allen

BE(Chem) Senior Process Engineer

One of the team since 2005, Terry works on all types of water, wastewater and sewage treatment plant designs and systems. He has a deep understanding of the needs of communities and operators where operational and maintenance self-sufficiency is essential. Terry has been the site based commissioning engineer on numerous plants across FNQ and Torres Strait. Terry is an active NATA accredited signatory for ASCE Standard Oxygen Transfer Rate (SOTR) testing.

Contact Michael!
Contact Elena!
Contact Terry!
Fiona Milnes

Fiona Milnes

BAppSc(Chem), DipBus: Field Services Lead

Fiona joined Simmonds & Bristow in 2016 as an Environmental Scientist.
Fiona has experience in compliance, training, quality control, sampling,
reviewing & validating technical data, internal auditing and strategic planning through many years of experience in the Environmental industry.

Fiona brings her many years of experience in the Environmental industry, along with her attention to detail and determination for continuous improvement, with a passion for building a better and more sustainable business outcome for clients. Fiona delivers a range of services to our clients.

Debra Smith

Debra Smith

Customer Service and Sales Manager: Plant Operations

Debra joined Simmonds & Bristow as administrator for the consultancy in 2011. At Simmonds & Bristow, Debra is the Manager responsible for the Plant Operations Department. Debra manages the Field Operators and handles the day-to-day flow of information through the Plant Operations Department and the delivery of reports to clients and other stakeholders.

Debra has been directly involved in the implementation of the specific tools used to manage a Plant Operations practice.

Xin Zhang

Xin Zhang

Training Coordinator: Bachelor/Master of Management; Certificate IV Training & Assessment

Xin joined Simmonds & Bristow in mid-2008 joining the Training Service department. Her responsibilities and strengths lie with organising all our student enrolments

Xin worked in the tertiary education industry for over 4 years before moving to Australia in 2006. She then moved to working in the Vocational Education & Training industry in Australia. She has a sound knowledge of AQTF (Australian Quality Training Framework), AVETMISS (Australian Vocational Education & Training Management Information Statistical Standard) and VET (Vocational Education & Training). Her expertise helps keep us as a best practice Registered Training Organisation (RTO).

Contact Fiona!
Contact Debra!
Contact Xin!