At e3Scientific experienced, technically excellent, motivated scientists are the backbone of our business.

Our team combine highly qualified scientists with extensive international and national experience; national and global connections; local knowledge; and a lot of passion to deliver professional, prompt and personal service.

Glenn Davis
Managing Director
Glenn is Managing Director and Principal Environmental Scientist at e3Scientific. Glenn has over 20 years of experience as an environmental practitioner and has worked in New Zealand, Australia, United Kingdom and Ireland. Prior to co-founding e3Scientific Glenn owned and operated Davis Consulting Group Limited (DCG) which provided ecological and contaminated land services throughout the South Island. Glenn successfully operated DCG for a period of 10 years and has a proven track record in the delivery of small and large scale environmental investigations.  Glenn regularly provides expert evidence in council hearings and has experience as an expert witness in Environment Court proceedings.
Gemma Davis
Gemma is an urban planner with 20 years of experience working in private consulting, not-for-profit and government in Australia, New Zealand and the Republic of Ireland. Educated in Western Australia, Gemma has a Bachelor degree in Urban and Regional Planning (Hons) and is currently an Adjunct Research Fellow with the University of Western Australia.  Gemma has authored a large number of research papers and reports in the fields of geography and urban planning and has undertaken a wide variety of strategic urban planning projects including the preparation major policy documents and strategies for land use, transport, social, cultural and environmental development. Gemma is also adept in the design and management of processes for community consultation and participation and the preparation of social impact assessments.
Lisa Cosgrove
Office Manager
Lisa is Officer Manager with e3 Scientific and has been working with the organization for four years. Originally from the United Kingdom, Lisa has been living in New Zealand for more than 14 years, has a Bachelor of Arts in Health and Community Studies and has a strong background in dance, which culminated in her co-founding and operating her own dance school in the Wakatipu and teaching dance to students in the area for nearly a decade.
Rebecca Teele
Biodiversity Team
Rebecca is an ecologist with over five years’ experience in environmental management, monitoring and assessment in New Zealand and the United Kingdom. Rebecca has worked with e3Scientific since 2012 and is experienced in undertaking ecological surveys and reviewing ecological assessments for small and large scale land activities. She has also managed large scale restoration projects and overseen the establishment of native vegetation and carrying out monitoring requirements. Rebecca has a strong technical capability in undertaking ecological impact assessments, ecological restoration and monitoring, statistical analysis and GIS mapping. She has also co-authored scientific publications and is a full member of the Environment Institute of Australia and New Zealand.
Bryony Miller
Biodiversity Team
Bryony is an environmental scientist with a background in marine and freshwater ecology. She has obtained experience in fisheries management with the Ministry of Primary Industries; has completed environmental impact assessments for commercial fishery companies; and has been called as an expert witness in Environment Court. She is also proficient in GIS mapping, remote sensing and ecological impact assessments. Bryony's work has involved assessing macroalgae, macrophyte and coral reef habitats and designing and completing subtidal biosecurity surveys, collecting data that has subsequently been utilised to create maitaitai's and habitat restoration plans. Bryony qualified as a PADI Dive Master in 2005 and has since logged over 500 dives throughout New Zealand, Australia and the Pacific Islands. Bryony is an experienced dive team leader and has coordinated and been a member of marine ecological surveys in Fiordland, Otago, Bay of Plenty and the Great Barrier Reef, Australia.
Melissa Jager
Biodiversity Team
Melissa is an ecologist with experience undertaking ecological surveys in a range of ecosystems and habitats, including alpine wetlands, tussock grasslands, shrubland, forests and braided rivers. Her work has involved identifying indigenous flora and fauna (including birds, invertebrates and herpetofauna) as well as assessing the ecological and conservation values of sites and areas. Melissa has also recently been involved in the preparation, management and implementation and ecological restoration plans.
Alexandra Badenhop
Environmental Management Team
Alexandra is a professional hydrogeologist with over 10 years’ experience working in the water industry in Australia and New Zealand. Alexandra’s experience encompasses a range of engineering studies, including hydrogeochemistry and water quality assessments, groundwater testing and feasibility studies, numerical modelling and undertaking expert reviews of groundwater models and hydrogeological investigations. As a Principal Environmental Consultant at e3s, Alexandra has been responsible for assessing and reviewing contaminated sites, refining processes to improve efficiencies, project management and environmental risk assessments.
Fiona Rowley
Environmental Management Team
Fiona is an experienced senior geologist with over 5 years’ experience working throughout the South Island predominantly in the Otago and Southland regions. Fiona is principally experienced in project managing contaminated soil investigations including preliminary and detailed site investigations, fuel tank removals, soil disposal routes and site management plans for a variety of HAIL sites. Fiona has completed extensive remedial work including the remediation of former timber treatment plants and sheep-dips proposed for residential use. Fiona has gained recent experience assisting in a bio-availability study examining elevated background arsenic concentrations and is an authorised user of X-Ray Fluorescence tools.
Carrie Pritchard
Environmental Management Team
Carrie is an environmental scientist with over 15 years’ experience in environmental management in New Zealand, Australia and Greenland. Carrie possesses a Bachelor of Science in Natural Resource Management (Hons) and has extensive experience managing environmental impact studies for all stages of project development including due diligence, feasibility studies, construction and closure. Carrie has managed large multidisciplinary project teams and authored Environmental, Social and Conservation Management Plans for major mining and infrastructure projects including: ore processing plants and associated waste management facilities, power stations and distribution networks, gas pipeline planning and construction, water supply and dewatering, accommodation and associated waste and effluent water treatment. Carrie also has over 10 years’ experience managing and rehabilitating environmental legacy sites in a variety of environments world-wide.
Simon Bloomberg
Land and Water Team
Simon is a geologist and fluid chemist with 6 years of experience in the environmental, mining and energy sectors. Simon's work has included assessments of the hydrological controls over fluid flow in a diverse range of environments, geochemistry of solids and fluids, and has specialist systems integration knowledge. Simon's MSc thesis has been published in high ranking international journals. He has lead technical teams for exploration based work, and has a keen understanding of earth system dynamics. Simon has evolved skills in GIS, statistical and spatial modelling and stable isotope systematics.
Jodi Halleux
Environmental Management Team
Jodi is an environmental scientist with over ten years’ experience in waste, environmental management and regulatory compliance at both territorial and regional levels. Jodi has extensive experience in regional government in the South Island and was responsible for developing and implementing contaminated land and pollution education programmes for the Southland Region.
Nana Holtzmann
Environmental Scientist
Nana is an environmental scientist with a background in marine and freshwater ecology. Nana works at e3s as a field technician and has experience in estuarine, coastal, open water, river and lake water quality sampling and surveying techniques, including fish monitoring, assessing macroalgae, macrophyte and coral reef habitats. Nana qualified as a PADI Dive Instructor in 2010 with over 1500 dives logged in tropical and New Zealand waters and she is a NZ fully certified skipper with coastal and lake operation experience. She has developed sound terrestrial fieldwork techniques and methods to support accurate site investigations and is qualified in the use of our Olympus Vanta X-ray Fluorescence instrument.
Simon Beardmore
Senior Environmental Scientist
Simon joined e3Scientific Limited in June 2019, having developed a strong regulatory background from nearly ten years at the Otago Regional Council. At the ORC, his primary responsibilities included developing contaminated land management strategy, undertaking site investigations, developing and maintaining a spatial register of contaminated land / hazardous activity and industry data, peer reviewing preliminary and detailed site investigations, providing technical advice to support policy and consenting teams, and managing remediation projects awarded central government funding. Simon holds a Bachelor’s of Science Degree in Environmental Science (First Class Honours) and a Master’s of Science Degree with Distinction in Environmental Sustainability. These multidisciplinary degrees prepared him well for work in the contaminated land industry, where bringing together different strands of science and communication are key to successful outcomes.
Sarah Johnstone
Senior Environmental Engineer
Sarah is a natural resource engineer with over 20 years of experience, predominantly in the field of 3 waters engineering. She has worked for civil engineering consultancies in in New Zealand and the UK. Sarah is skilled in taking projects from concept to construction, with experience in project management, investigations, design and construction supervision. She has worked for a range of clients from local authorities through to private developers. As a Senior Environmental Engineer at e3s, Sarah will provide water supply, wastewater and stormwater engineering design for new developments, erosion and sediment control plans, and hydrological investigations. She is passionate about low impact, water sensitive design and her expertise brings engineering design capacity to our multidisciplinary assessments of environmental impacts.
Jessie Lindsay
Environmental Scientist
Jessie is an Environmental Scientist with a background in GIS and remote sensing. She has a PGDipGIS (with Distinction) and a MSc in Geography.  Jessie has worked extensively on high resolution mapping for sediment and water quality processes at regional and national scales and was part of a project that was a finalist in the Environment and Sustainability category for the Spatial Excellence Awards. She has a passion for Free and Open Sourced Software for Geospatial (FOSS4G) and is familiar with programming languages that include Python and R. Her remote sensing work includes change detection analysis which is used to assess differences in vegetation health and land cover. She also has experience in contaminated land investigations and has created GIS databases for ecological and biodiversity assessments.


Postal address
P.O. Box 2450
Wakatipu 9349

Office location
Arrow Lane, Arrowtown

(+64) 3 409 8664