Luke has presented PCA since 2019: "History, Mystery, or Gift? The Verisimilitude of Time Travel with Star Trek and Harry Potter and the Prisoner of Azkaban" (Washington D.C. 2019), "'Remade in my Image' Counter-stereotypic Genders in Scifi and Fantasy" (Virtual 2021), "Mobius Loop, Endgame, Wanda/Vision, and Loki and the TVA: The Paradoxical Enigma of the Sacred Timeline and the Multiverse and McTaggart’s A, B, and C Series of Time Travel" (Virtual 2023), and "Back to the Origins: The Changing Foci of Ideas, Science, and Technology in Time Travel Narratives" (San Antonio 2023). Luke is currently co-editing with Liz Trepanier an anthology of essays concerning 21st century time travel narratives . He has taught for Eastern Florida State College since 2000 and has taught full-time since 2010.