In 1976, he became the first General Secretary of the Gibraltar Ornithological & Natural History Society (GONHS), and since 1991, Director of the Gibraltar Botanic Gardens, positions he held until taking government office in 2011.
En 1976, tornouse o primeiro secretario xeral da Gibraltar Ornithological & Natural History Society (GONHS), e desde 1991, director do Xardín Botánico de Xibraltar, cargos que mantivo ata 2011.