Discount fashion retailer Ross Stores has announced a new senior management structure, with Barbara Rentler, Michael O'Sullivan and James Fassio promoted to president roles.

Rentler, formerly executive vice president, merchandising of Ross Dress for Less, has been promoted to president and chief merchandising officer.

O'Sullivan, formerly executive vice president and chief administrative officer, becomes president and chief operating officer, while Fassio, previously executive vice president, property development, construction and store design, has been named president and chief development officer.

Michael Balmuth, vice chairman and CEO of Ross Stores, said: "We are thrilled to announce the promotions of these proven executives. Our strong senior management team, comprised of experienced and highly skilled off-price talent, gives us the ability to develop this new organisational structure to support the long-term leadership needs of our business."