Heilbron was appointed Treasurer of Gray’s Inn, the first woman to hold such an office in any of the Inns of Court.
On July 1, 1985, Rose Heilbron became the first woman to be appointed as the Treasurer of Gray’s Inn, one of the four Inns of Court. This position was not only symbolic of her vast experience and esteem within legal circles but was also a testament to the increasing inclusion and admiration of women's professional capabilities in pivotal legal roles. As Treasurer, Heilbron was responsible for overseeing the financial affairs and governance of the Inn, a role previously dominated by men. Her tenure as Treasurer contributed significantly to the progressive transformation of legal institutions, making them more accessible and equitable for women.