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Marks & Spencer is losing its second senior director in recent weeks, with the departure of new channels director Susan Aubrey-Cound.

Aubrey-Cound is leaving the retailer after 11 years, six months of which were in her current role. Earlier this week, it was revealed that brand director Alison Jones has stepped down after less than a year at the company.

According to her LinkedIn profile, Aubrey-Cound's responsibilities in the role included innovating the multichannel offering at M&S, with a focus on mobile. She was also in charge of software research and development and apps for the retailer.

An M&S spokesperson said: "Susan is stepping down from her role as new channels director in the multichannel team in order to pursue broader management opportunities in multichannel marketing."

Aubrey-Cound joined M&S in a marketing role in 2002. She held a number of positions including executive assistant to chairman Sir Stuart Rose before becoming director in the multichannel development team in 2009.

She was in the role for just over two years, before being appointed as director of new channels in September 2011.

Meanwhile, M&S has announced plans to launch an online outlet store. Previously only available in 50 brick-and-mortar locations across the UK, outlet stock will now be available on the retailer's website with up to 40 percent off high street prices.

Richard Fox, head of M&S Outlet, said: "The internet is often the first port of call for shoppers in search of a bargain, as it offers a quick and convenient way to compare the deals available. We've responded to our customers' increased demand for online access to great value by extending our popular outlet offer on our website."