Joanne Leedom-Ackerman is a novelist, short story writer, and journalist. She is vice president emeritus of PEN International and served as chair of PEN International’s Writers in Prison Committee while Liu was imprisoned. Leedom-Ackerman later served as the International Secretary of PEN International in the same years Liu Xiaobo was president of the Independent Chinese PEN Center (ICPC). Yu Zhang is a Chinese citizen based in Sweden. As a scholar, editor, and translator, he is the coordinator of the ICPC’s Writers in Prison and the Freedom to Write Committee and served as secretary-general of the ICPC during the years Liu was president of the center. Jie Li is a Chinese American librarian, editor of the Democratic China English website, and a former volunteer for the ICPC. Tienchi Martin-Liao is a Chinese German author, editor, and translator and the president of the ICPC.