Junko Koshino is one of Japan's most highly acclaimed fashion designers, best known for her wide array of different designs, including her Junko Koshino line, corporate and sports team uniform designs and musical performance costumes.

Junko Koshino was born in Osaka and graduated Design Course at Bunka Fashion College. She won the 7th SOEN Award, known as the gateway to success for the new fashion designer, when she was 19 years old.

She participated in Paris Fashion Week for the first time in 1978 until 2000. She held fashion shows in Beijing in 1985, NY (Metropolitan Museum) 1990, Cuba in 1996, the Republic of Poland in 1997, and Union of Myanmar in 2009, Beijing 2015 etc.

In 2008, she produced the Japan Festival fashion show and the opening at John F. Kennedy Center in Washington D.C.

Her range of works is wide from designing costumes for the operas "The Magic Flute", "Madame Butterfly" as Year of Japan-Republic of Korea National Exchange Event (2002), Broadway show "Pacific Overtures" (2004) (nominated for the Best Costume Design of a Musical of the 59th TONY AWARD), to designing sports uniforms and interior designing.

Currently she designs costumes of TAO (Drum Art Performance Group), fireworks for the summer festival "Ryukyu-Kaiensai" in OKINAWA.