Who We Are

Kelly Deihl, Principal Scientist

Kelly is a qualified environmental scientist with over 14 years experience working in the field of environmental management, having graduated from Auckland University in 2004.  She specialises in the Resource Management (National Environmental Standard for Assessing and Managing Contaminants in Soil to Protect Human Health) Regulations 2011 (NESCS) and has a sound technical understanding and an in-depth knowledge of both on-site and council processes.  This enables her to find workable and cost effective solutions that are both risk averse and technically sound.   

She spent two terms as an elected member of the WasteMINZ National Contaminated Land Sector Group Steering Committee and NES Working Group, was a member of the reference group selected for the review of the Ministry for the Environment Contaminated Land Management Guideline No. 5. and sat on the focus group responsible for the NESCS reforms. Kelly is a member of the Australasian Land and Groundwater Association (ALGA) and WasteMINZ.  

In addition, Kelly spent six years managing the compliance of ecological restoration projects within the Franklin area and has a sound understanding of  the current legislative requirements and restoration principles.  She is deputy chair of the Lower Waikato Catchment Committee. 

As a person, Kelly is passionate about people and the environment. She is pragmatic in her approach and is known as a person who is honest, reliable and who will always go the extra mile to achieve the desired outcome.  Please refer to Testimonials.


Karen holds a Bachelor of Planning from Auckland University and has a great depth of experience with processing a range of land use consents as well as policy development having worked within local government.   More recently Karen has been working as a Planning Consultant addressing information requirements and preparation of resource consent applications.  She has been involved in a variety of development projects throughout her planning career including many multi-unit housing proposals, large scale commercial and industrial activities and rural based developments including earthwork applications.

Originally from the Bay of Islands, Karen now lives in Pukekohe with her three lovely children and has developed an interest in the changes the Franklin District is facing particularly the demand to accommodate urban growth and the associated pressure placed on rural land resources.

As a person, she is friendly, approachable and very practical, and is always considerate of the client’s needs and cost. 

Samantha van Ryn, Environmental Scientist

Samantha (Sam) joined the EMS team in 2018, in the role of Graduate Environmental Scientist. She graduated from the University of Auckland in 2017, having completed a Bachelor of Science in Environmental Science and Biology.

Sam is active in contaminated land, under the guidance of Kelly Deihl, assisting in the preparation of contaminated land reports prepared in accordance with the Ministry for the Environment Contaminated Land Management Guidelines and carrying out field work. She has been actively involved in the Waikato Regional Council Healthy Rivers Plan Change 1 and Waikato District Council District Plan review processes and from this has gained a grounded understanding of governing legislation and the impact of legislative changes on many of our clients.

This year Sam has undertaken training to carry out Odour Monitoring for the Waikato Regional Council and has played an integral role in the management of odourous activities in the northern part of the region. She has also successfully completed the Waikato Regional Council Erosion and Sediment Control Planning workshops.

Sam has a keen interest in conservation and ecological restoration, and under the guidance of a contracted ecologist, is upskilling in this area with the view to move into this area long term.