Stormwater Queensland Committee 2022-2023

Mark. R. Gibson
Brisbane City Council
Mark R. Gibson is a Principal Engineer for the Water Management Unit at Brisbane City Council.
Adrian CrocettiVice President
David Simpson
Brisbane City Council
David is a Senior Civil and Environmental Engineer with Brisbane City Council. He has qualifications and extensive experience in Civil Engineering, Environmental Engineering, Business Administration and Project Management and is an RPEQ. He has 48 years of experience with both Council and consultants, including investigation, planning, design, construction and project management of development projects. His areas of expertise include creek stabilisation, integrated water cycle management, water sensitive urban design, stormwater drainage, overland flow, flood modelling, stormwater harvesting, water quality, water supply, sewerage, water treatment, wastewater treatment, industrial wastewater treatment, hydraulic services, subdivisions, hydro-electric schemes and expert witness services.

Charles Coathup
Renew Solutions

Charles is the co-founder and Managing Director of Renew Solutions, and lives and breathes stormwater asset management.  Within his career he has undertaken many and various types of auditing and assessment activities on stormwater quality improvement devices, including the design and installation of new devices, and the assessment of rectification options for existing devices.  Collectively, Charles has over 15 years experience in the stormwater management space, including 12 years as the National Business Development Manager for Ecosol Pty Ltd, an internationally recognised stormwater proprietor.
Bill Johnson
Environmental & Engineering Consulting
Bill is a civil engineer with Strategic Environmental and Engineering Consulting (SEEC) based in Brisbane. He has 30 years experience in the water engineering and infrastructure fields working in local government, large and small consultancies where he has gained skills in stormwater management, drainage, water resources, water quality, Water Sensitive Urban Design, flood modelling and erosion and sediment control. Bill is a Registered Engineer of Queensland (RPEQ) and a Certified Professional in Erosion and Sediment Control (CPESC) and has a particular interest in WSUD, water quality and erosion. He has been a member of Stormwater Queensland for almost 20 years and has served on the committee in a variety of roles. He is currently on the membership and advocacy sub-committee. Away from work you will find him supporting the Bulldogs, coaching kids’ cricket, fishing, and spending time with family.
Brad Dalrymple
Ocean Protect
Brad is a Principal Environmental Engineer at Ocean Protect with over 19 years experience and industry accreditations (RPEQ, NPER and CPEng).  At Ocean Protect, Brad’s role is to support the development and implementation of stormwater treatment technologies, asset management initiatives and community education programs aimed at helping to protect marine and waterway health. He is also a lecturer at Griffith University where, for the past 12 years, he has been responsible for part of the environmental hydrology and hydraulics subject.  Brad will continue to assist with events and advocacy activities for Stormwater Queensland.
Courtney Henderson
Dr Courtney Henderson is a Water Sensitive Urban Design specialist with 7 years of academic experience (PhD in stormwater bioretention systems), and 13 years in consulting. He has skills in vegetation ecology, soil science, water chemistry, and urban hydrology. His training as a scientist complements the predominantly engineering-design focus of the industry. His work experience in industrial sites and transport infrastructure also complements the urban development focus of the group.
Paul Dubowski
Paul is a senior environmental scientist with BMT specialising in stormwater, creeks and catchment management. He has 17 years of experience including 10 years in consulting, 2 years with Water by Design and 5 years in local government. In addition, Paul has volunteered on the Stormwater Queensland Committee for the past 7 years and is the chair of the Advocacy and Engagement Sub-Committee.
Tracey Pham

Kylie Drapala

Adyn de Groot

Kelen Marczak Polli

Ben Walker

Glenn Browning

Tim Davies