Hugo Urrestarazu was a teacher-researcher for nuclear and solid state physics at the Universidad de Chile and conducted postgraduate Ph.D. research on semiconductors at Imperial College in England. He possesses 13 years of industrial experience in design and development of embedded real time operating systems and object oriented design and programming at Alcatel in France. He also worked as a consulting engineer in Central America and as a linguistic consultant in France. Back in 1972 he attended Humberto Maturana’s Biology of Cognition lectures and was Francisco Varela’s friend and colleague at the Facultad de Ciencias in Chile. Since 1990, he has been involved in independent interdisciplinary scientific extension activities concerning the theory of autopoietic systems.