Click on any underlined name to view a short biography.
The ESDA Main Office:
D. J. B. Trim, Editor of the Encyclopedia of Seventh-day Adventists, has been Director of Archives, Statistics, and Research for the General Conference of Seventh-day Adventists since 2010. A graduate of Newbold College (BA cum laude), where he later taught for ten years (1997-2007), and of the University of London (Ph.D.), he was Walter C. Utt Professor of History at Pacific Union College (2008–9) and been an adjunct professor of church history and mission at the Seventh-day Adventist Theological Seminary (since 2014). Dr. Trim’s many publications include ten books along with numerous book chapters and articles.
Dragoslava Santrac earned a Ph.D. in Old Testament from North-West University, R.S.A./Greenwich School of Theology, U.K., and an M.A. in biblical languages from Andrews University, Berrien Springs, Michigan, U.S.A. Santrac taught at Belgrade Theological Seminary, Serbia, University of the Southern Caribbean, Trinidad, and Washington Adventist University, Takoma Park, Maryland. Her background includes experience in editorial positions with South-East European Union and associate editor of the Seventh-day Adventist International Biblical-Theological Dictionary. She has authored several books and articles, including the volume on Psalms 76-150 for the Seventh-day Adventist International Bible Commentary (Pacific Press, forthcoming summer 2020).
Patricia Brauer joined the Office of Archives, Statistics, and Research in October 2015 with a strong background in administrative support. She worked in various administrative support positions for the National Geographic Society in Washington, D.C. for 28 years and for seven years as a research assistant of the Clinical Trials team at Frederick Memorial Hospital Regional Cancer Therapy Center in Frederick, Maryland.
Myrna Costa, Ed.D. (La Sierra University, Riverside, California), retired in 2017 as vice president for the Inter-American Division of Seventh-day Adventists based in Miami, Florida. A Puerto Rican by birth, she has served the Seventh-day Adventist Church for 40 years in higher education administrative positions both in the North American Division and the Inter-American Division. She was the president at Antillean Adventist University before being elected the first female vice president for the Inter-American Division in 2010. She resides in Florida and is married to Juan Casado, who is a registered environment health specialist. They have two daughters and three granddaughters.
Barna Magyarosi, Ph.D., has served as pastor and department director in the South Transylvania Conference, Romania (1996-2003), as well as theology teacher and president of the Adventus University (2003-2010). Recently, he worked as the Education and Family Ministries director of the Inter-European Division, where he currently serves as the executive secretary and chair of the division Biblical Research Committee. He has authored several biblical-theological articles, the book Holy War and Cosmic Conflict in the Old Testament from the Exodus to the Exile (2010), and co-edited the book Adventists and Military Service: Biblical, Historical, and Ethical Perspectives (2019).
Onaolapo Ajibade, DMin (Andrews University, Berrien Springs, Michigan, USA), retired in 2015 as executive secretary of West-Central Africa Division. A Nigerian by birth, Ajibade has served the Church as a literature evangelist, Publishing Ministries department director, Literature Ministries Seminary director, executive secretary of West Nigeria Conference, president of West Nigeria Conference, and ministerial secretary of former North-Western Nigeria Union Mission. He has written the following books: Christ Our Saviour—A Bible Study Guide, How To Escape The Coming Wrath, and Spiritual Reawakening—Attacking the Creeping Compromise, and two articles for the Review and Herald. He is married to Taiwo Omowumi and has two sons, a daughter and two grandchildren.
Gordon E. Christo, Ph.D. in Old Testament and Adventist Studies (Andrews University, Berrien Spring, Michigan, U.S.A.), is retired and working on contract as assistant editor of the Encyclopedia of Seventh-day Adventists and assistant editor of the Seventh-day Adventist International Biblical-Theological Dictionary. He is currently setting up a heritage center for Southern Asia Division. Some of his research on Adventist history can be seen at https://sudheritage.blogspot.com/ and https://www.facebook.com/SUDHeritage/.
Félix Cortés Antonio, M.A. (Universidad Iberoamericana, Mexico City, Mexico) and Ph.D. (honoris causa - Montemorelos University, Nuevo Leon, Mexico), is a retired vice president of editorial services for the Inter-American Division Publishing Agency, having served the church for 41 years in Mexico and in the Inter-American Division as a pastor, department director, teacher, administrator, and radio speaker. He has written 12 books, five of which are used by colporteurs and two of which have been translated to English and French. He translated and directed the editing for the Inter-American edition of the Adventist Ministry magazine and the Adventist Magazine for 17 years. He is married to Elizabeth Valles Hernández, a retired nurse, and they have three adult sons: Félix Harim, Félix Hadid, and Félix Hadiel.
Passmore Hachalinga, DTh (University of South Africa), DMin (Andrews University, Berrien Springs, Michigan), is the director of the Ellen G. White Research Centre at Helderberg College of Higher Education in Cape Town, South Africa, where he also serves as a contract lecturer. Zambian by birth, Hachalinga has served at various levels of church organization since 1987, as district pastor, secondary school chaplain, conference and union department director, mission and conference president, union mission executive secretary, and president of the Adventist Church in Zambia and Angola. He has also served at division level as a vice president and ministerial secretary. He is married to Sithembile M. Hachalinga and they have four sons, one daughter and one grandson. Some of the articles Hachalinga has authored are: “Toward a Seventh-day Adventist Theology of Economic Self-Reliance,” in Bruce Bauer, editor, Toward a Bright Future: Economic Self-reliance in Africa (Berrien Springs, MI: Andrews University, 2013), 147-168, and “How Curses Impact People and Biblical Responses,” https://digitalcommons.andrews.edu/jams/vol13/iss1/
Frank M. Hasel, Ph.D., in Systematic Theology (Andrews University, Berrien Springs, Michigan, U.S.A.) is a theologian and author and associate director of the Biblical Research Institute (BRI) at the World Headquarters of the Seventh-day Adventist Church in Silver Spring, Maryland, U.S.A. Frank M. Hasel has served as an ordained pastor in Germany and was a theology teacher, dean of the theology department, and director of the Ellen G. White Study Center at Bogenhofen Seminary, Austria, before transitioning to the U.S. He has published numerous articles and book chapters and has authored and edited six books. His most recent books include Adventists and Military Service: Biblical, Historical, and Ethical Perspectives (2019 – co-edited with Barna Magyarosi and Stefan Höschele); How to Interpret Scripture (2019, co-author with Michael G. Hasel), Living for God: Reclaiming the Joy of Christian Virtue (2020) and Biblical Hermeneutics: An Adventist Approach (editor, 2020).
Daniel Heinz, Ph.D., is director of the Historical Archives of Seventh-day Adventists in Europe located at Friedensau Adventist University, Germany. He did his ministerial studies at Bogenhofen Seminary. He did further studies at the Protestant Theological Faculty of the University in Vienna. His Ph.D. is in modern church history and Adventist studies from Andrews University. Some of his publications include Church, State, and Religious Dissent: A History of Seventh-day Adventists in Austria, 1890–1975 (Frankfurt am Main, 1993) and So komm noch diese Stunde. Luthers Reformation aus Sicht der Siebenten-Tags-Adventisten (Lüneburg, 2016).
Stefan Höschele, PhD habil. (Charles University, Prague) served in Algeria from 1993 to 1994 and Tanzania from 1997 to 2003. Subsequently, he taught systematic theology and Adventist studies at Friedensau Adventist University in Germany. His publications include Christian Remnant–African Folk Church: Seventh-Day Adventism in Tanzania, 1903-1980 (Brill, 2007), and Interchurch and Interfaith Relations: Seventh-day Adventist Documents (Peter Lang, 2010).
Farid Khoury, M.A. in religion and archeology (La Sierra University, California, USA), M.Sci. in information and library studies (University of Wales, Aberystwyth, UK), Ph.D. researcher in archaeology (Lebanese University), is assistant professor of cultural studies and ancient civilizations at Middle East University, Beirut, Lebanon, and director of the university library. In 2008 Khoury founded and continues to direct the Heritage & Culture Center at Middle East University, which organizes and sponsors cultural and heritage activities. He has been a guest instructor at Rafik Hariri University, Lebanon since 2009. Farid has participated in various local and international archaeological excavations, organized seminars and youth activities, field trips and sponsored several student clubs. He was the research assistant for the book History of the Lebanese Worldwide Presence: The Phoenician Epoch authored by Antoine Khoury Harb.
Bruce W. Lo, Ph.D. (Monash University, Melbourne, Australia), retired in 2012 as a professor from University of Wisconsin-Eau Claire, has taught and undertaken extensive research internationally. He began his academic career in science at Avondale University College becoming chair of Science Department. Moving into the IT field, he taught at several Australian public universities and was appointed head of School of IT at Southern Cross University. He then joined University of Wisconsin as professor of Information Systems. Beside his technical interests, his research covers many areas of human science. His 2005 paper on cultural impacts on website design was awarded best research paper by the International Association of Computer Information Systems. As an ardent researcher, he became interested in Adventist history in Asia and founded the Adventism in China research network prior to joining the Encyclopedia team as Asia-Pacific regional editor. He is married to Ruth, a nursing professor and musician. They have three children.
Paul S. Lockham B.Sc. (Lancaster University, Lancaster, UK), Dip. Theology (Newbold Missionary College, Binfield, UK) has served as a pastor and administrator in the British Union Conference. Currently serving as the Stewardship Director of the Trans European Division. Married to Helen they have two daughters, two sons, and seventeen grandchildren.
Douglas Morgan, PhD (University of Chicago), assistant editor for the North American Division section of the ESDA. Morgan is a part-time faculty member at Washington Adventist University where he has served since 1994. Prior to that he was editorial director of the Collegiate Quarterly (Sabbath School lesson study guides) from 1981 to 1985 and an assistant professor of history at Southern Adventist University, 1989 to 1991. He is author of Adventism and the American Republic (University of Tennessee Press, 2001), Lewis C. Sheafe: Apostle to Black America (Review and Herald, 2010), and chapters in multi-authored works such as Ellen Harmon White: American Prophet (Oxford University Press, 2014), Here We Stand: Luther, the Reformation, and Seventh-day Adventists (Pacific Press, 2017), and Adventists and Military Service (Safeliz, 2019).
Barry Oliver, MA, PhD, retired in 2015 as the president of the South Pacific Division of Seventh-day Adventists, based in Sydney, Australia. An Australian by birth, Dr. Oliver has served the Seventh-day Adventist Church and the community as a pastor, evangelist, college teacher and administrator, including 6 years of missionary service in Papua New Guinea. In retirement, he is conjoint associate professor at Avondale University College in Australia. Up until 2019 he had authored 106 significant publications including SDA Organization: Past, Present and Future. He has also authored 192 magazine articles. He is married to Julie who is a retired elementary and special education teacher. They have three adult sons and three grandchildren and live in Cooranbong, New South Wales, Australia.
Glenn O. Phillips, Ph.D. ( Howard University, Washington, DC ) retired in 2016 as Professor of History at Morgan State University in Baltimore, Maryland. Fourth generation Barbadian Seventh-day Adventist attended SDA primary and secondary schools in Barbados; graduated with AA. from the University of the Southern Caribbean in Trinidad; BA. from Atlantic Union College, MA. and received his MA., from Andrews University, MI. Also taught at the University of the Southern Caribbean and Howard University. Authored numerous articles and eight books in the areas of African American, African Diaspora and Caribbean history. Was a Fulbright Fellow and served for years on their Screening Committees. He has written about early Adventism in the Caribbean and served on the Board of Trustees of Caribbean Union College (the University of the Southern Caribbean). He is married to Ingrid Tom Phillips and has one daughter, Mariette.
Tim Poirier, MTS (Wesley Theological Seminary, Washington, D.C.), is the vice-director and archivist of the Ellen G. White Estate at the General Conference of Seventh-day Adventists, where he has been employed since 1981. He has prepared various White Estate publications, such as The Ellen G. White 1888 Materials and The Ellen G. White Periodical Resource Collection, as well as authored a variety of articles on Ellen White-related issues, including material for the Ellen G. White Encyclopedia (2013). He is the General Editor for The Ellen G. White Letters and Manuscripts With Annotations (2014) series. Among his past projects have been the Ellen White CD-ROMs (now in app format) and the creation of numerous electronic finding aids for the collections housed at the Estate.
Adolfo Suarez has a doctorate in religious studies. He is rector of the Latin-American Adventist Theological Seminary and postgraduate professor at several seminars in South American Division. In the past Suarez served as district pastor, school chaplain, Bible teacher at high school, professor of religious education and theology. He was coordinator of the School of Theology at UNASP, São Paulo, Brazil. Suarez is author of several books, including In the Footsteps of the Master: The Essence of Biblical Discipleship and How Jesus Reads the Bible - a Transformative Reading of the Bible from the Hermeneutics of Christ. Suarez has been married for 24 years to Janete, a psychologist, and they have two daughters.
Remwil R. Tornalejo is an associate professor in the Historical-Theological department of the International Institute of Advanced Studies Seminary (AIIAS). Tornalejo has a BA in theology from Mountain View College, Valencia, Philippines, and MPS, MDiv, and MTh degrees from AIIAS. He had served as a pastor, Literature Ministry Seminary dean and instructor at the South Philippine Union Conference. He had served as chair of the theology department of the South Philippine Adventist College. Tornalejo completed his DTheol from Theological Union (ATESEA). He is married to Marilou Manatad. They have four children.
Nathaniel Mumbere Walemba, D.Min. (Andrews University, Berrien Spring, Michigan USA), retired in as executive secretary of East-Central Africa Division of Seventh-day Adventists (ECD) in 2015. In retirement, he is the assistant editor of the ESDA for ECD. A Ugandan by birth, Walemba has served the Seventh-day Adventist Church in many capacities having started as a teacher, a frontline pastor, and the principal of Bugema Adventist College in Uganda. He taught at a university, served as a union executive secretary and a university vice chancellor. He founded a secondary school. In his retirement he is working with other people to establish a university. He has authored several magazine articles and a chapter, “The Experience of Salvation and Spiritualistic Manifestations,” in Kwabena Donkor, ed. The Church, Culture and Spirits (Hagerstown, MD: Review and Herald Publishing Association, 2011). He is married to Ruth Kugonza and they have six children and fourteen grandchildren.
Subeditors and Research Assistants:
Idida Z. Casado, B.A. (La Sierra University, Riverside, California), is a freelance editor and copyeditor who writes and edits memoirs. She has been published in Guide magazine.
John M. Fowler found the Adventist message as a teenager, obtained a bachelor’s degree in theology at Spicer Memorial College, and began his ministry in late teens as a pastor in Kolkatta and Bengaluru churches. Through a denominational career that has stretched for 54 years, he has worked in India for 32 years as pastor, teacher, church administrator, editor, and Division education director. For the next 22 years he served the General Conference first as associate editor of Ministry, and then as associate education director, and editor of Dialogue.
Fowler holds a master’s degrees in theology (Andrews University), a master’s degree in journalism (Syracuse University), and a doctoral degree in education (Andrews University). In addition to numerous articles, he has authored Ephesians: Chosen in Christ, The Cosmic Conflict Between Christ and Satan, and three Sabbath School adult study guides and eight study commentaries. He has also contributed to Seventh-day Adventist Handbook of Theology and Seventh-day Adventists Believe…
Denis Kaiser, PhD (Andrews University, Berrien Springs, Michigan). Kaiser serves as assistant professor of church history at the Seventh-day Adventist Theological Seminary, Andrews University. He has published numerous articles and book chapters. He was the annotation project editor of The Ellen G. White Letters and Manuscripts with Annotations, volume 2 (1860-1863), and is a co-editor of the Oxford Handbook of Seventh-day Adventism and of the Encyclopedia of Seventh-day Adventism’s history of theology and ethics section.
Samuel London, PhD (Purdue University, West Lafayette, Indiana), currently serves as a professor and chair of the Department of History and Political Science at Oakwood University. He is the author of several articles and the book, Seventh-day Adventists and the Civil Rights Movement (2009).
Daniel Oscar Plenc, Th.D. (River Plate Adventist University, Entre Ríos, Argentina), currently (2020) works as a theology professor and director of the White Research Center at the River Plate Adventist University. He worked as a district pastor for twelve years. He is married to Lissie Ziegler and has three children.
Dennis Pettibone, PhD (University of California, Riverside), is professor emeritus of history, Southern Adventist University. In addition to numerous articles in magazines, journals, and encyclopedia, he wrote Century of Challenge: The Story of Southern College and co-authored His Story: In Our Time. He also contributed chapters to the books The World of Ellen White and Here We Stand: Luther, the Reformation, and Seventh-day Adventists. He and his first wife, Carol Jean Nelson Pettibone, had two children and two grandchildren. Carol passed away November 27, 2011. In 2019 he married Rebecca Stirk Aufderhar.
Daun Redfield is a copy editor and proofreader who works wherever she is in the U.S.A. A former employee of the Pacific Press Product Development department, she has been copy editing Adventist publications as a freelancer since 2013. When she is not working, she enjoys exploring the great outdoors by foot, skis, bike, or raft with her friends.
Sabrina Riley was born in Auburn, New York and raised in Dowagiac, Michigan. She received a B.A. in history from Andrews University and an M.A. in information and libraries studies from the University of Michigan. Riley was a member of Andrews University’s library staff from 1998 to 2003, library director and college archivist at Union College from 2003 to 2016, and is presently a freelance researcher, author, and information professional.
Gluder Quispe, Ph.D. (Andrews University, Berrien Springs, Michigan, the United States) is president of the Peruvian Union University after being dean of School of Theology and School of Graduate Studies and director of Ellen G. White Reseach Center in Peru. He teaches Adventist Studies and New Testament courses. He has written many articles and eleven books, including The Apocalypse in Seventh-day Adventist Interpretation, Adventist Legacy: Historical Theological Panorama of Adventism, and The Remnant and the Dissenters.
Renato Stencel, EdD (Methodist University of Piracicaba, São Paulo, Brazil), is diretor of the Ellen G. White Research Center at the Brazil University campus Engenheiro Coelho. Since 1994 Stencel has served the Church as a teacher at the elementary, academy and college levels. He works as a professor in the area of theology of education in the South-American Seminary (SALT) and has pioneered the publication of two magazines, Adventist School Magazine (1997) and Acta Scientifica (2001). From 1999 to 2004 Stencel acted as the chief editor of the Brazil University Press (UNASPRESS). He is married to Ellen and has two sons.
Carlos Flavio Teixeira, PhD (Methodist University of São Paulo, Brazil) and postdoctoral researcher (Andrews University, Berrien Springs, Michigan, USA), has served as a researcher and teacher of systematic theology at the Latin American Adventist Theological Seminary in Brazil. He has written extensively in systematic theology and Adventist studies and has authored several books, including the following titles: In Search of an Integrating Biblical Hermeneutic (2014); The Theology of Commitment in the Thought of Ellen G. White: a perspective of Christian freedom (2015); Theology and Philosophy (2016); Jesus Christ and the Laws of God (2016); Sola Scriptura: Initial Contributions (2016); Ellen G. White and Modernity: Approaches to a Critical Analysis of Postmodernity (2016); History of the Christian Church: in the Perspective of the Great Controversy (2016); Adventist Biblical Hermeneutics (2019); and Eschatology in Perspective of the Remnant (2019). Teixeira also organized the book Introduction to Theological Methods and Systems: Notions, Developments and Perspectives (2019) and authored many articles for journals. He is married to Fernanda and has two sons.
Melanie Riches Wixwat, B.B.A. (Andrews University, Berrien Springs, Michigan), currently lives in Beirut, Lebanon with her husband Michael, the treasurer for Middle East and North Africa Union (MENA). She is personal assistant to the president and the executive secretary of MENA in addition to working as assistant to the regional editor for the ESDA project. One of her hobbies is studying Arabic and this has led her to be involved with one of the local Arabic Adventist Churches in Beirut.
Chigemezi Nnadozie Wogu, MTS, is a Ph.D. student at the Vrije Universiteit, Amsterdam, the Netherlands and a research associate at the Institute of Adventist Studies in Friedensau Adventist University, Germany. At Friedensau, he manages the Encyclopedia of Seventh-day Adventist research project for some parts of Europe. Wogu is a junior member of the Netherlands School for Advanced Studies in Theology and Religion. He is co-editor to Contours of European Adventism: Issues in the History of the Denomination in the Old Continent (Möckern: Institute of Adventist Studies, Friedensau Adventist University, 2020).
Bruce Anderson, B.A. (Pacific Union College), M.S. (Ohio State University), M.D. (Loma Linda University). Anderson did his internship at Stanford University Hospitals and residencies at Harding Hospital. Anderson is Ohio State University Hospitals Child Psychiatry fellow. He was captain, MC, U.S. Army (1975-1977), staff psychiatrist at Hinsdale Hospital (1970-1978), and president of Pacific Union College Alumni Association (1982-1985). He has been staff psychiatrist at St. Helena Hospital since 1978. Anderson is founding chair of Walter C. Utt Endowment, president and board chair of Adventist Health California Medical Group, trustee of Loma Linda University Behavioral Medical Center Operating Board, and medical director of LiveWell Behavioral Health, Adventist Health, Clearlake.
Benjamin Baker, Ph.D. (Howard University, Washington, D.C.) is the author/editor of seven books and 150 articles and is the creator of two websites on Adventist history. He has taught history, religion, education, literature, and English at eight universities.
Lisa Beardsley-Hardy, Ph.D. (University of Hawai’i at Mānoa, USA), MPH (Loma Linda University, USA), MBA (Claremont Graduate University, USA) served as the first female Director of Education at the General Conference of Seventh-day Adventists World Headquarters. British by birth, she is also a citizen of the USA and Finland. She has been an educator and administrator at primary, secondary and tertiary levels in Seventh-day Adventist schools in Finland and in public and private schools and universities in the USA, including at three medical schools. She has more than 70 publications and has served on over 110 accreditation visits, with a focus on medical education. She holds ecclesiastical endorsement as an associate chaplain in healthcare from the North American Division of Seventh-day Adventists (NAD) and ecclesiastical endorsement by the NAD and General Conference as an educational chaplain. She is married to Frank W. Hardy and has a daughter and two grandchildren.
Kevin M. Burton, Ph.D. candidate (Florida State University), did mission work in the Czech Republic and South Korea and served as chaplain at Ozark Adventist Academy. He currently teaches American history at Southern Adventist University and has published several articles on Adventist history. His M.A. thesis is titled, “Centralized for Protection: George I. Butler and His Philosophy of One-Person Leadership.” Burton’s doctoral dissertation explores Adventist political involvement in the abolition movement and Civil War.
Lisa Clark Diller is a historian (University of Chicago, Ph.D.) who teaches on the early modern world at Southern Adventist University in Chattanooga, TN. She researches and writes on religious minorities and the development of modern liberal democracy. She enjoys preaching and participating in the life of the Adventist church she and her husband helped plant in 2008.