Andy Hill is a Director and founding member of Ventana Systems UK. He has been a practitioner of system dynamics since 1992, originally focusing on military and defense engagements. Over the last decade he has applied his expertise to pharmaceuticals, aviation, manpower planning and the economic impact of changes to marine populations. Andrew teaches several Vensim & system dynamics training courses each year in the UK, and has also provided training internationally, most recently at the World Economic Forum, Geneva.