Our people bring our culture to life.
Team members shape Senversa through the communities and connections they build along the way.
Filter People
Bridget Mainland
COO
Bridget Thom
General Counsel
Briony Muller
Principal
Chris has many years of experience in contaminated land management in Australia, China and Southeast Asia. His expertise is in the assessment, cost estimation and remediation of contaminated land and groundwater for a range of industries including manufacturing, petroleum, transport, property development and government bodies. Chris has designed and or managed the implementation of multiple groundwater remediation systems including enhanced reductive dechlorination, enhanced aerobic bioremediation via bio-sparging, in situ chemical oxidation and horizontal SVE remediation systems amongst others. Chris has degrees in Environmental Science and Geomatic Engineering, together with a Masters of Environment (Hydrogeology). Chris is mildly obsessive about maps particularly ones with roguish back-stories and quite enjoys a lunchtime trot around the Tan when work, weather & injuries permit.
Christopher Sandiford
National Contaminated Land Group Lead, Senior Principal
Danni Petroni
Head of Finance
Jacob Lindsay
Head of Technology and Innovation
Jo Kirsch
Head of People & Culture
Michael Charge
CEO
Steve Brazil
National HSE Manager
Agam Puri
Senior Accounts Payable Officer
Akshay Nimavat
Project Geospatial Analyst
Alec Nicolau is a Hydrogeologist with expertise in groundwater contamination assessments, mining hydrogeology, fate and transport modelling, and hydrogeological risk assessments. Alec leverages postgraduate studies in Hydrogeology (Masters), which underpins his expertise in conceptualising groundwater flow regimes, aquifer properties, and contaminant transport behaviour.
Alec’s professional experience covers diverse regions across rural Western Australia and Victoria, and includes work in sectors such as consulting, mining, state and local government, Defence, oil and gas, waste management, property development, and construction. He has a proven track record in project managing multidisciplinary projects involving contaminant assessments for metals, hydrocarbons (PSH, LNAPL), PFAS, pesticides, and industrial fertilisers in groundwater. Outside of work Alec enjoys spending time with his family and friends, spending time on hobbies, gardening, outdoor activities, reading and watching sports.
Alec Nicolau
Associate Hydrogeologist
Alessandro Sica
Principal Environmental Engineer
Alex has been working as a hydrogeologist for over 40 years in Europe and Australia.
Alex has managed and provided technical expertise to the projects related to groundwater investigation, groundwater contamination risk assessment and pollution control, groundwater modelling (flow and solute transport), groundwater hydrochemistry studies, management of groundwater resources, groundwater exploration, natural and artificial recharge studies, aquifer and unsaturated soil testing, geophysical logging interpretations and dewatering assessments.
Alex enjoys working on challenging and complicated projects finding solutions for which requires thinking outside the box. His area of expertise also includes design and installation of monitoring and production groundwater wells and piezometers as well as design, performance and supervision of aquifer tests including pumping, slug, packer and injection. Alex has been involved and has supervised wide range of field tasks for environmental, mining, aquifer storage and recovery and water resource investigations and studies.
Alex Sereda
Principal Hydrogeologist
Alexander Martin
Graduate Environmental Consultant
Alice Noviani
Senior Associate Civil Engineer
Alice Skipper
Principal Environmental Consultant
Amy McCormack
Senior Civil & Environmental Engineer
Amy Turner
Senior Associate Environmental Scientist
Andrei Woinarski
Senior Principal
Andrew Barker
Principal, Data Intelligence Lead
Andrew Cossey
Associate Environmental Scientist
Andrew David
Accounts
Andrew Howes
Senior Principal Environmental Scientist
Angus Dibley
Senior Environmental Scientist
Anne Murray
Associate Geospatial Analyst
Anuja Thapaliya
IT Manager
Aoife McKenna
Principal
Ashley Mason
Senior Associate Engineer
Ashton Betti
Principal Environmental Scientist
Barry Mann
Senior Principal Hydrogeologist
Bec O'Connor
Senior Environmental Scientist
Ben Farmer
Principal
Blaire Coleman
Principal Geoscientist
Brad Clay
Senior Associate Environmental Engineer
Brigitte Fowler
Graduate Environmental Scientist
Carlyn Williams
Senior Associate Environmental Geologist
Carolyn is a senior principal risk assessor, with experience in both human health and ecological risk assessment. She has experience, in research, regulation and consulting and has undertaken work for Defence, AirServices, land developers, mining and oil & gas companies, port and harbours, water authorities and both state and federal government. She has also provided expert legal and audit support work in relation to risk assessment. Carolyn is a fellow of the Australasian College of Toxicology and Risk Assessment (ACTRA) and is an active member of ALGA, including chairing the risk assessment specialist interest group (SIG). Her pride and joy is her rescue dog named Bindi.
Carolyn Brumley
Senior Principal Risk Assessor
Cassie Hasan
Associate Environmental Scientist
Catherine Lawrey
Project Environmental Scientist
Chantal De Zylva
Senior Environmental Scientist
Chiara Amodio
Project Environmental Scientist
Chloe Bisset
Graduate Environmental Scientist
Chris Panayiotou
Graduate Environmental Engineer
Colin Stapleton
Senior Principal
Dale De Jesus
Marketing Communications Coordinator
Daniel is a Civil Engineer with extensive experience and continuing professional development in design, management and construction of civil infrastructure, environmental projects and complex geosynthetic containment projects. His experience includes undertaking and leading civil engineering assessments, designs, reports, and drawings. Daniel's work also includes geosynthetics lining and covering of ponds, dams and storage/containment projects for the Water, Waste/Landfill, Energy, Mining, Industrial, Agricultural industries, civil engineering project evaluation, tenders, cost estimates, contract administration, superintendency, and project management.
Outside of work, Daniel enjoys playing team sports, mostly water polo, also soccer, surf and more.
Daniel Pece
Senior Associate Civil Engineer
David Geng
Senior Chemical Engineer
David Ibbotson
Senior Associate Environmental Scientist
Debbie Tremelling
Senior Associate Designer
Demetria Grillas-Kyriacopoulos
Graduate Environmental Scientist
Dhananjay Singh
Associate Environmental Engineer
Doug Ahearne
Senior Principal
Eammon Marha
Associate Geospatial Analyst
Egan Churchill-Gray
Senior Environmental Scientist
Eleanor Liddle
Senior Associate Environmental Scientist
Elena Lazzarotto
Principal Marine Scientist
Elliot Barry
Graduate Environmental Scientist
Elyse Storr
Associate Environmental Engineer
Emma Adlam
Project Environmental Scientist
Emma Guy
Senior Associate Environmental Scientist
With a background spanning administration, customer experience and people‑focused operations, Emma naturally gravitated towards business support roles where organisation and connection go hand in hand. Having worked across hospitality, education, and co‑working environments, she brings a calm, adaptable approach to keeping day‑to‑day operations running smoothly and supporting teams behind the scenes. Originally from the UK, Emma’s career has taken her across Australia and beyond, and she’s now happily settled in Sydney as part of the Business Support team. Outside of work, she enjoys practising yoga, travelling whenever she can, and spending time in nature—especially by the coast.
Emma Heath
Business Support Coordinator
Emma Walsh
Principal Environmental Scientist
Emmylou Cooke
Senior Associate Environmental Scientist
Esther Ani Josen
Graduate Civil Engineer
Freya Amon
Senior Associate Environmental Engineer
Garrett Hall
Senior Principal Environmental Scientist
George Boyer
Senior Associate Environmental Scientist
George Sijin
Graduate Civil Engineer
Georgia Cahill
Senior Environmental Scientist
Graeme Miller
Senior Principal
Hayley Kwok
Project Environmental Scientist
Hayley Yellowlees
Associate Environmental Scientist
Hebbie has extensive experience in environmental consulting, specialising in contaminated site investigations and remediation, with a strong focus on delivering practical, evidence-based solutions for complex environmental issues. Hebbie is particularly passionate about sustainability and environmental stewardship, with a keen interest in circular economy, waste reduction, ecological protection and conservation. Outside of work, Hebbie enjoys cycling, tennis, travel and spending time outdoors.
Hebbie Pederson
Senior Associate Environmental Scientist
Helen Lawrence
Associate Environmental Scientist
Hollie Dunston
Graduate Environmental Scientist
Honor Buckler
Project Environmental Scientist
Hugh Verrall
Project Environmental Scientist
Huiyan Qi
Associate Geotechnical Engineer
Imogen Cescato
Associate Environmental Scientist
Indianna Daniels
Project Environmental Scientist
Isaac Graves
Senior Associate Environmental Geologist
Iwan Owen
Principal Civil Engineer
Jack Ellis-Bryne
Associate Environmental Scientist
Jack Norman
Senior Civil Engineer
James Corbett
Senior Principal Environmental Engineer
James Currie
Project Analyst
James Horne
Associate Geoscientist
James Kelly
Senior Associate Environmental Engineer
Jantina Lalor
Senior Associate Environmental Scientist
Jason Clay is a Senior Principal in Senversa’s Sydney and Perth offices, specialising in the risk-based assessment and remediation of contaminated soil and groundwater. Jason is a state accredited Contaminated Site Auditor in NSW and WA and is a Certified Environmental Practitioner and Site Contamination Specialist (CEnvP SC) and a UK Specialist in Land Condition (SiLC). He is a registered principal environmental auditor (EARA) and has undertaken and managed single and multi-site, acquisition, divestment due diligence and regulatory compliance audits on facilities of all kinds all over the world. Jason frequently acts as expert witness and has done so in the UK, New Zealand and on behalf of Roads and Maritime Services and the Department of Planning and Environment on separate matters in NSW Land and Environmental Court. Jason was a successful expert on behalf of Lawrence Dry Cleaners in the first ever action against a NSW EPA Management Order in Land and Environment Court under the Contaminated Land Management Act 1997 in 2010.
When not ‘sticking dirt in jars’ and enjoying family life Jason pursues interests in 19th century Russian literature, Belgian flute music and naval history.
Jason Clay
Senior Principal
Jeff brings more than 30 years of experience in environmental consulting, environmental management, and project and proposal coordination across the UK and Australia. Before moving into consulting, he worked with the Environment Agency in the UK and the Environment Protection Authority in Victoria, building a strong foundation in environmental regulation and management.
Outside of work, Jeff enjoys catching up with friends, spending time in nature with his partner and planning his next European adventure.
Jeff Meynell
Project Coordinator
Jeremy Hogben
Senior Principal
Jessica Staehli
Senior Associate Environmental Scientist
Jing Ying (Yvette) Wong
Project Environmental Scientist
Joel Brown
Senior Associate Environmental Scientist
Jonathan Mann
Senior Associate Environmental Scientist
Jonathon Ryan
Associate Environmental Engineer
Jordon Davidson
Senior Data Manager
Judith Barnes
Principal Risk Assessor
Julia Nicholson
Senior Associate Environmental Scientist
Julian McHahon-Hide
Civil Drafter
Julie Yap
Senior Associate Environmental Engineer
Justin Lumsden
Senior Principal
Jye Grogan
Associate Environmental Scientist
Kalise Chapman
Senior Business Support Coordinator
Karen Kataguiri
Senior Associate Environmental Engineer
Kate Howard
Project Environmental Scientist
Kate Prior
Senior Business Support Coordinator
Kate Robinson
Audit Assistant
Katherine Hatzis
People & Culture Advisor
Katie Richardson
National Risk Assessment Practice Lead, Senior Principal
Katy Kijek
Senior Associate Hydrogeologist
Kelley Cheney
Senior Environmental Engineer
Ken Wu
Project Civil Engineer
Kieran Young
Senior Environmental Scientist
Kristi Hanson
Senior Principal Risk Assessor
Kyle Mann
Project Environmental Scientist
Lachlan Harvey
Project Environmental Scientist
Laughlin Barlow
Project Environmental Scientist
Laura Williams
Business Support Manager
Lenore Jansen
Business Support Coordinator
Liz Clarke
Principal Environmental Consultant
Lucas Dzalakowski
Graduate Environmental Scientist
Lucinda Trickey
Senior Associate Environmental Engineer
Luke Adams
Principal Environmental Engineer
Maria Ricce
Business Support Assistant
Martin Gravett
Senior Principal
Maryam Sobhani
Graduate Environmental Scientist
Matt Beasley
Senior Associate Environmental Scientist
Matt Chandra
Graduate Environmental Engineer
Matt Vanderheyden
Senior Associate Environmental Scientist
Matthew Corcovelos
Project Environmental Scientist
Matthew Lim
Project Environmental Engineer
Megan Black
Senior Associate Geospatial Analyst
Outside of work, Melissa enjoys exploring Australia’s coast and countryside with her two children, embracing food, festivals, and cycling adventures.
Melissa Porter
Senior Principal
Memory Chamunorwa
Senior Accounts
Michael Elbrow
Engineering Technician
Michael Rehfisch
Senior Principal
Michele Stella
Principal Environmental Engineer
Michelle Agnew
Senior Associate Environmental Scientist
Naomi Cooper
Principal Risk Assessor
Naomi Lukeman
Principal Environmental Scientist
Natasha Blefari
Senior Associate Environmental Scientist
Navdeep Singh
Senior Civil Engineer
Nazuha Rosli
Senior Associate Environmental Engineer
Neil Chadwick
Senior Associate Environmental Scientist
Nicole Davey
Senior Environmental Scientist
Nigel Ruxton
Senior Principal
Patrick Molony
Senior Environmental Scientist
Paul Baker
Principal Designer
Paul Monaco
Senior Environmental Scientist
Peter McKeown
Senior Associate Designer
Prativa Bhandari
Project Environmental Engineer
Presto Elavanal
Project Civil Engineer
Rachael Bohan
Senior Principal
Rachael Wilson
Senior Associate Environmental Engineer
Rebecca Duong
Associate Environmental Scientist
Renee Chaumont
Senior Business Support Coordinator
Richard Griffin
Senior Principal
Roger Britto
Senior Associate Civil Engineer
Roger Parker
Senior Principal Environmental Engineer
Rowan Failt
Project Environmental Scientist
Russell Old
Senior Associate Environmental Engineer
Sam Alchin
Project Environmental Scientist
Sarah Barnsley
Project Environmental Scientist
Serena Curti
Principal Environmental Engineer
Sheryl Inkster
Principal
Shin Yi Siew
Principal Environmental Scientist
Simon Welsh
Principal Environmental Scientist
Sinead Deasy
Project Environmental Scientist
Siobhan Krelle
Senior Associate Environmental Scientist
Sophie Jones
Graduate Environmental Scientist
Stephanie Napoleon
Associate Environmental Scientist
Stephen Cox
Associate Environmental Scientist
Steve is a Senior Principal consultant and WA accredited contaminated sites auditor. His experience primarily covers contamination assessment, remediation and management; contaminated sites auditing; environmental due-diligence; hydrogeology and groundwater risk assessment. Steve enjoys playing and watching soccer, scuba diving and going on camping trips around WA with his family.
Steve Morrison
Senior Principal
Steven Whiting
Principal Environmental Scientist
Stina Nikolaysen
Senior Associate Risk Assessor
Suanna Harvey
Senior Principal Environmental Scientist
Sven Waurich
Principal Civil Engineer
Sylvia Buchanan
Transformation & Communications Manager
Tasman Cocks
Senior Environmental Geologist
Tony Hill
Senior Principal
Tony Paparella
Principal Environmental Engineer
Venessa Nguyen
Senior Environmental Scientist
Venkata Anagha
IT Analyst
Vincent Rigoli
Senior Associate Civil Engineer
William Harrod
Senior Civil Engineer
Wing Nam (Hayley)
Kwok
Yash Khandelwal
Senior CADD Modeller
Zachary Pascoe
Project Environmental Scientist
Zoe Smith is an Environmental Scientist and Project Manager who specialises in land and groundwater contamination assessment, management and remediation. She has worked closely with a diverse range of property, transport, government, and manufacturing clients and has been heavily involved in the delivery of complex linear infrastructure projects and complex characterisation projects, investigating the extent and potential risks associated with asbestos, chlorinated hydrocarbons and PFAS in soil, groundwater, surface water and sediment. Zoe is adept at developing project strategies, planning, and implementing health and safety plans. Zoe’s expertise also extends to audit support to Senversa’s contaminated land Auditors in NSW and across Australia, regulatory agency negotiations and coordinating large multi-disciplinary site investigations. Outside of work, Zoe is an avid gym-goer and runner, and enjoys playing both indoor and field hockey as a goalie. A lover of live music, Zoe attends as many gigs as possible and is passionate about contributing to the local community. Zoe’s professional yet friendly approach, combined with a commitment to community involvement, makes her a valuable asset to any team.
Zoe Smith
Senior Associate Environmental Scientist
COMMITTEES
Beyond project work, employee‑led committees create opportunities to contribute, connect, and shape our workplace.
Our Sustainability Committee turns ambition into action. With a dedicated budget and annual action plan, it leads initiatives that reduce our environmental footprint, strengthen our sustainability performance, and keep Senversa ahead of emerging climate reporting requirements.