Jenny Simpson is Tonkin + Taylor's head air quality engineer, a RMA Hearings Commissioner and one of New Zealand's most respected Chemical Engineers.

Throughout her career, Jenny has consistently taken the bar for 'technical excellence' and lifted it.  She has built a team with a reputation for understanding the client’s business needs and seeing the bigger picture.

She is one of NZ's leading air quality experts and so highly regarded that much of her time is spent providing expert evidence at Council and Court Hearings. 

Jenny has just completed a major appointment as an accredited Independent RMA Commissioner for the Canterbury Air Regional Plan – the environmental equivalent of moving from witness box to the judge's bench.

Jenny has prepared assessments of discharges to air from a wide range of industrial facilities, waste management activities (landfills, transfer stations and composting facilities), infrastructure and thermal generation. Jenny has hands-on experience in managing hazardous substances and wastes in a variety of industrial settings.

Jenny has a BE (Chemical and Materials), is an accredited Independent RMA Commissioner, a former New Zealand Branch President of the Clean Air Society of Australia and New Zealand and in 2019 Jenny was appointed to the Tonkin + Taylor Group Board.