Italian fashion retailer Stefanel has appointed Christiano Portas as its new chief executive, replacing Stefano Visalli was appointed interim boss last December. The news comes as British asset management firm Attestor Capital took out a 71 per cent stake in the business before Christmas. READ MORE: Stefanel eyes UK expansion via franchises Portas, a graduate in economics and business, led swimwear label Arena from 1999 to 2016