Dr. Hosok O is a Professor at Utah Tech University in St. George, specializing in East Asian history with a focus on Japan's social and intellectual development during the 19th and 20th centuries. He is currently engaged in three manuscripts aimed at enhancing understanding of this significant era. A committed member of the Phi Alpha Theta National History Honor Society, he has served in various leadership roles, including a term on the National Council from 2018 to 2019, and on the Advisory Board from 2020 to 2022. As Vice President until 2024 and currently President, he is dedicated to promoting the Society's mission and creating enriching experiences for its members. Outside of his academic pursuits, Dr. O enjoys exploring the breathtaking landscapes of Utah and engaging in outdoor activities. He is passionate about fostering a collaborative atmosphere within Phi Alpha Theta, inspiring fellow historians and students to connect deeply with history and its significance in our lives.

Kyriakos Nalmpantis received his PhD from Kent State University in 2010. His dissertation, titled "Time on the Mountain: The Office of Strategic Services in Axis-Occupied Greece," dealing with the relationship between the Greek Resistance and American clandestine officers in World War II, won the biennial Iatrides Best Dissertation Award of the Modern Greek Studies Association in 2011. He is an Associate Professor of History and the chair of the history department at Baldwin Wallace University in Berea, Ohio. He has published articles on the political careers of major Greek Orthodox prelates in the Encyclopedia of Modern Christian Politics (Greenwood, 2006). He has been advisor and then co-advisor for the Delta Upsilon chapter of Phi Alpha Theta since 2016. In that capacity he organized a major regional conference in 2019 at Baldwin Wallace and was thereafter appointed the national representative for PAT in the region of Ohio. He served on the PAT National Council three years running (2019-2022), and subsequently on PAT’s National Advisory Board (2022-2024). He has also served as a member of PAT’s Scholarship Committee.

Debra A. Mulligan was born in Rhode Island and received her Master of Arts and Ph.D. in History from Providence College. She has taught a variety of courses in East Asian, European, and American history at Roger Williams University. She currently serves on the Board of Directors of the Rhode Island Heritage Hall of Fame, served as president of Phi Alpha Theta from 2023-2025, and was appointed as the PAT Advisory Board Chair in January 2025. Her publications include a chapter in the two-volume study: The Cultural History of Reading (Greenwood Press, 2009), Lexington Books: Chapter, “Soul Libertie and the Sons and Daughters of Eire,” in Narratives and Negotiations: Agency, Religion, and the State. Lexington Books, 2015, and articles in the Historical Journal of Massachusetts (Winter 2007), and the New England Journal of History. Her book, Democratic Repairman: The Political Life of James Howard McGrath [McFarland Press] published in May 2019.