Eugene McGahan is an agricultural and environmental engineering consultant who has worked for more than 25 years on environmental sustainability issues for intensive livestock industries. Eugene specialises in development approvals, assessing the environmental performance of individual farms, industry-specific research that provides solutions to environmental challenges, designing and providing environmental management training, and developing environmental and planning guidelines and codes of practice. He has consulted widely with the chicken meat, beef feedlot, dairy, piggery and egg industries.

Mark Dunlop has led several poultry research projects completed by the Department of Agriculture and Fisheries, Queensland since 2005, including substantial work in litter management.