Malka Older replaces Ivan Sigal as Global Voices Executive Director. Illustration courtesy Ivan Sigal. As I wind down my tenure as executive director of Global Voices, I am celebrating the many friends I’ve made, the community we’ve built and the many projects and successes we’ve achieved together. I am also celebrating the arrival of Malka Older as my replacement! Malka is a science fiction writer and a sociologist who studies and teaches about future risk, with extensive experience in humanitarian response work around the world. I first encountered her writing in 2018, with her Centenal Cycl…