Benny is a former international development consultant who has worked for several different international organisations that range from OXFAM to the World Bank, from the United Nations Development Programme to the International Trade Centre.
He has worked at different times in 35 different African and 2 Asian countries. He has been a director of the charity War on Want and Chairman of International Voluntary Service (now called Skillshare Africa). He was European Director of the organisation that won the 1985 Nobel Peace Prize, International Physicians for the Prevention of Nuclear War. He is currently a visiting lecturer in economics at Greenwich and London Metropolitan Universities.