Yumiko Itoyama is a Japanese hat designer based out of both New York and Tokyo. Itoyama immigrated to New York in 1981, and founded her brand two years later. She returned to Tokyo and founded a business and school in 1989. From 2008-2012, she taught at Tokyo Heisei University Junior college. Her millinery works have appeared in Vogue and WWD, She has also published three books on hat making: Selfish Hat, 1999, To Make a Hat, 2001, Talkative Hat, 2003.