PARIS - Gucci’s chief executive officer and creative director are leaving the global luxury brand, its parent company Kering said in a statement on Friday. Patrizio di Marco, who has headed Gucci for six years, will leave as of January 1 and will be replaced by Marco Bizzarri, who served as chief executive of Bottega Veneta for more than five years before heading up Kering’s Luxury Couture & Leather Goods Division in April. Gucci creative director and Di Marco’s partner, Frida Giannini who has been with the house for 12 years, will leave at the end of February, after showing her 2015 fall/winter collection. Her replacement has not yet been announced.