Bill Callanan
- Published on: 24 September 2020
- Last updated on: 1 March 2023

Bill Callanan. M.Agr.Sc. Chief Inspector with responsibility for provision of scientific advice on Agriculture and the Environment. Assistant Secretary responsibilities include Climate Change, Nitrates and Biodiversity, Livestock Breeding, Horticulture and Crops, Pesticide registration and controls and Feed and Fertiliser.
He is assisted by Deputy Chief Inspector Donal Coleman.