Michelle Ryan has been appointed senior vice president of marketing at L'Orèal Professionnel. In more than 15 years at L'Orèal, she's held a variety of positions, most recently senior vice president of marketing at L'Orèal USA's Multicultural Beauty Group, encompassing the brands Dark and Lovely and Optimum and Dessange. Before that, Michelle moved up the ranks in hair care, haircolor and skin care capacities at Garnier from assistant vice president to senior vice president. Notably, she led the introduction of Garnier's Miracle Skin Perfector BB Cream, and developed the brand's Skin Renew Dark Spot…