Marin Minamiya Japan's Youngest Everest Summiteer becomes UNIQLO's first female Global Brand Ambassador   Berlin, Germany, 2016-Dec-07 — /EPR Retail News/ — UNIQLO today announces that it has appointed Marin Minamiya as its first female Global Brand Ambassador. She was 19 when summiting Mt. Everest in May this year as the youngest Japanese national to achieve this feat.…