Sebel was a furniture & toy designer/manufacturer. He worked with his father in metalwork in UK, then establishing a furniture manufacturing works in Sydney. Specialising in injection moulded plastics, later diversifying into property (Sebel Town House hotel). Notable works include chairs such as the "Slim and Comfy" , the Nest-a-Bye stackable, the steel "Stak-a-Bye" and the "Integra" (designed by Charles Furey).