An agricultural economist, Dishington has served as the Executive President of the National Federation of Palm Oil Growers (Fedepalma) of Colombia since 1989. He is regarded as a tenacious modernizer of the agriculture sector in his country. Fedepalma has supported Colombia’s agricultural and rural policies on contract farming, the strengthening of institutional mechanisms that guarantee safety in order to boost international market access, and the strengthening of institutions related to agricultural development in rural areas.