Modo has announced the appointment of Rebecca Giefer as chief executive of Modo Americas, effective Sept. 1. Giefer has worked at Modo since 2004, when she was hired as a customer service representative. In 2014, she was named chief operating officer. She is also a current board member of The Vision Council. Meanwhile, Alessandro Lanaro, Modo's founder and main shareholder, will assume the newly created position of global chief executive of the group.