In 2015, Guerrier was named the PEN Haiti Fellow at PEN America. He traveled to Port-au-Prince, Haiti to work at the PEN Haiti Center with Haitian poets, writers and journalists.[8] In 2017, Guerrier was appointed National President of the racial reconciliation organization Coming to the Table, founded by both black and white linked descendants of Thomas Jefferson and Sally Hemings.[9]
Syllble
In 2018, Guerrier founded Syllble, the first science fiction and fantasy production house with the aim to bring more access to underrepresented writers and creative voices from around the world and in the entertainment business.[10][11][12]
In October 2020, Syllble partnered with Moko Magazine Caribbean Arts and Letters to establish the Caribbean Sky Islands fictional world and publish stories from Black Caribbean speculative fiction writers.[13][14]
In May 2021, Guerrier collaborated with The Innovation Station: Creative Industry Lab at the U.S. State Department to bring together science fiction writers from around the world to solve some of the worlds toughest global challenges through the One Humanity Writing Collective.[15]
In February 2022, Syllble partnered with Brittle Paper magazine to establish the first collaborative African fantasy universe called Sauúti.[16][17]
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