 Constable has been appointed to the boards of many research foundations, including the Ophthalmic Research Institute of Australia and the Karl Stein Foundation.He is still on the board of several foundations, including the Australian Foundation for the Prevention of Blindness, and is a senior advisor to the Lions Save Sight Foundation and an honorary advisor to the Retina Australia Foundation.Constable reviews for many journals and research foundations, including the National Health and Medical Research Council of Australia, the American Diabetes Research Foundation, the British Journal of Ophthalmology and the Ramaciotti Foundation.