The Team

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 (Christchurch Office)

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

Director (Christchurch Office)

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 (Arrowtown Office)

Lisa is Officer Manager with e3Scientific and has been working with the organization since early 2013. Originally from the United Kingdom, Lisa has been living in New Zealand for more than 19 years, has a BA (Hons) 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.

Bryony Miller

Technical Director - Marine and Freshwater Ecology (Invercargill Office)

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.

Alexandra Badenhop

Technical Director - Water and Environmental Management (Arrowtown Office)

Alexandra is an environmental engineer with over 15 years experience working in the water industry.  Prior to commencing work with e3Scientific in 2015, Alexandra was employed as a consulting environmental engineer by the Water Research Laboratory, University of New South Wales, Australia (2004-2014). Her experience encompasses a range of engineering studies, including hydrogeochemistry and water quality assessments, literature and program reviews, groundwater testing and feasibility studies and numerical modelling.  As the Technical Director -Water & Environmental Management team at e3Scientific, Alexandra is responsible for groundwater and surface water supply and water quality assessments, technical reviews for regional councils, assessing and reviewing discharges to land, assessment of environmental effects, project management and environmental risk assessments. She has a B.Eng (Environmental)(Hons 1) and M.Eng.Sci (Groundwater Studies) which also fulfilled the criteria for M.Eng.Sci (Water Quality) and enjoys collaborating on multidisciplinary projects with the ecology team.

Fiona Rowley

Team Leader - Contaminated Land (Arrowtown Office)

Senior Environmental Scientist – BSc Geology, University of Canterbury. Fiona is a professional environmental scientist with over 9 years’ experience working in the earth science industry throughout the South Island, predominantly in the Otago and Southland Regions. Prior to commencing work with e3Scientific, Fiona was employed as a Field and Mine Geologist at Stockton Alliance Mine, Westport. Fiona is principally experienced in project managing contaminated soil investigations including preliminary and detailed site investigations, soil disposal routes and site management plans for a variety of HAIL sites. Fiona has completed both large and small scale projects including extensive remedial work of former timber treatment plants, landfill investigations, fuel distribution facilities, and sheep-dips. Fiona has assisted in bio- availability studies examining elevated background arsenic concentrations. During her time with e3Scientific Fiona has been instrumental in applying the use of hand held X-Ray Fluorescence in site investigations and remediation.

Simon Bloomberg

Senior Environmental Scientist (Christchurch Office)

Simon is an Earth system scientist focussing on geochemistry with 10+ years’ experience in the environmental and natural resource sectors. Simon has led technical projects for high-level contaminated site classification, Preliminary and Detailed Site Investigations for contaminated land projects, surface water and groundwater risk assessments to support discharge consents,  and site and soil assessments to support land developments which require onsite wastewater services. Simon provides technical science advice and peer review of contaminated land and discharge to land resource consents. At e3s, Simon contributes to both the Water and Environmental Management and Contaminated land teams, and collaborates on multidisciplinary projects with the ecological teams.

Jodi Halleux

Senior Environmental Consultant (Invercargill Office)

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

Marine & Freshwater Ecologist (Arrowtown Office)

Nana is an environmental scientist with a background in marine and freshwater ecology. Nana 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.