Keiko Voltaire, born in Japan, has been a dancer, teacher and choreographer for more than 20 years in both her native country and the United States. She trained with The Ailey School in New York City.

In 2003, she transited into a career as a wardrobe supervisor. She began working with Ailey II, Since then, she has been hired to work for companies such as Martha Graham Dance Company, Limón Dance Company, Lar Lubovitch Dance Company & Parsons Dance. In addition, she has worked as a Production/Stage Manager for Earl Mosley's Institute for the Arts (EMIA). Also she has been working as Wardrobe manager /residence costume designer for Fiorello H. LaGuardia High School. She became a director of Dance International Program in Japan in 2014. Additionally She established the company, KDesign Fitness in 2019. She established sister company, KDesign Fashion in 2021 in Japan.