Initially a design consultant working with clients such as 3M, Black & Decker, and Gateway, to bring successful products to commercial, consumer, and industrial markets, Belletire is currently a design educator, focused on issues of sustainable and environmentally appropriate design. Belletire is one of the cocreators of Okala, an undergraduate ecodesign course in use by design education programs throughout North America. As a continuation of Okala, he worked with the Industrial Designers Society of America (IDSA) and the EPA to form a funded partnership to help bring tools and knowledge to design professionals.