Keiko Kasza was born on a small island in Japan. She grew up in an extended family household of her parents, her grandparents, and her two brothers. Her aunts, uncles, and cousins also lived nearby.
Keiko Kasza moved to the United States to go to college in California. She married an American and now lives in Indiana with her husband and their two sons.
According to http://www.eduplace.com/kids/hmr/mtai/kasza.html Keiko Kasza makes up her stories by pretending she is one of the characters.
She loves the work of Arnold Lobel. She says that she looks at his work for inspiration whenever she gets discouraged.