Roger Wrigley
Roger Wrigley is a Chartered Professional Engineer with his Masters and over 20 years of practical experience as a consulting engineer and environmental advocate. Roger has extensive experience with environmental engineering of facilities for feedlots, piggeries, wastewater treatment and re-use and for factories and farms. Roger also has extensive experience with the investigation, design and construction supervision of irrigation and drainage schemes including dams and pumping stations and hydrological investigations assessing water storages, flooding and salinization processes. Roger has been an expert witness at AAT & VCAT tribunals & in County & Supreme Courts, is the author of 8 published books & 60+ scientific papers & reports & has undertaken international work in New Zealand, the USA, Uruguay & Oman.

