I knew about Bill when I was deciding to become an Industrial Designer 35 years ago. There was an exhibition about british design in México City, I saw his work and decided to became an ID. I lost his track during years, the I knew he co-founded IDEO. I established contact with him to invite him to come to Universidad Panamericana campus Bonaterra in México, he came to give 4 conferences. Then we created a postgraduate program called Biointeractive Innovation. Now I have an investigation line about interaction in the virtual world. And you ask me how he changed my life…