By Silvia Aloisi and Mimosa Spencer PARIS (Reuters) – French luxury goods group Kering has appointed Sabato De Sarno, a senior fashion designer at Valentino, as creative director of its top brand Gucci, it said on Saturday. At Gucci, he will be tasked with reviving the fortunes of a brand that accounted for two-thirds of Kering’s profits in 2021 but has been losing momentum in recent years after stellar growth in 2015-19. De Sarno, 39, began his career at Prada in 2005, before moving to Dolce & Gabbana and then joining Valentino in 2009, where he held several positions before being appointed f…