My interest in materials goes back to my own childhood experiences. From the latter half of the 1960s to the 80s, Japan was in a period of high economic growth, and the environment in urban areas, especially industrial cities, was absolutely terrible. Especially in Osaka City, when I was younger, I experienced bad smog where I couldn't go out . There were also times where I couldn't see ahead of me because of the smoke from the factory. The river near where I lived was overflowing with garbage and the smell was so bad that I often had to hold my breath and cross the bridge. It was not flatteringly called a river. Having spent my childhood in such a situation, I had had a strong desire to improve this situation when I grew up. Therefore, when choosing a university, I chose the Department of Chemistry without hesitation. When I got a job, I joined a manufacturer that handled a wide range of chemical products. Therefore, as a supplier of chemical products, we have been engaged in business for more than 20 years in various applications through the field of nonwoven fabrics. In addition, I was able to work as an engineer in the field of air cleaning technology for about 20 years. What I realized was that in order to solve environmental problems, we must fully understand those companies that supply products and think about it as a whole, from the research and development design stage to the mass production and sales stages, and then disposal, or if we don't think about it in one way or the other, we will end up with a picture-perfect rice cake. Keeping that in mind we launched a consulting business in materials technology. Based on my experience working in the company for more than 20 years, I am convinced that a system that earns profits is the sustainability of a business, and that it will not continue unless elements that preserve and improve the environment are incorporated into it.