Online Faculty

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Program Deans

Headshot John Duncan.

John Duncan, Ph.D., CPA, CKA
Dean of the College of Business & Entrepreneurship

Dr. John B. Duncan serves as Dean of the College of Business and Entrepreneurship and Professor of Accounting at North Greenville University. Dr. Duncan holds a BBA in Accounting and an MBA from the University of Louisiana at Monroe, and he received a Ph.D. in Accountancy from the University of Mississippi.

He is a licensed Certified Public Accountant in South Carolina and a Certified Kingdom Advisor®. Duncan’s prior academic leadership roles include serving as Associate Dean at Anderson University, Dean at Charleston Southern University, Dean and Director of the Church Finance Institute at William Carey University, and Department Chair at Mississippi College.

In addition, he held the John Luffey Endowed Professorship in Accounting at the University of Louisiana at Monroe. Duncan’s research has been presented at numerous academic conferences and has been published in several leading accounting and business journals. He received the Outstanding Intellectual Contributions Award in 2003 for the College of Business Administration at the University of Louisiana at Monroe.

Duncan is a member of several professional organizations, including the SC Association of CPAs, the Institute of Management Accountants, and the Association of Certified Fraud Examiners. He is involved with several marketplace ministries, including Kingdom Advisors, the C12 group, the Fellowship of Companies for Christ International, the South Carolina Christian Chamber of Commerce, and the Barnabas Group of Charlotte, where he currently serves on the Board of Directors as Treasurer. He also currently serves as Vice-chair of the SC Baptist Convention’s Committee for Christian Life and Public Affairs. Dr. Duncan is married to the former Susan Ganann of Carthage, Mississippi, and they have two adult sons, Daniel and Drew.

Phone: 864.977.7156
Office Location: Neves 304

Walter JohnsonWalter Johnson, Ph.D.
Dean of the College of Christian Studies
Professor of Philosophy and Christian Studies

Dr. Walter Johnson earned his bachelor’s degree in philosophy from Furman University and a Master of Divinity and Doctor of Philosophy degree in historical and systematic theology from New Orleans Baptist Theological Seminary. He also studied philosophy for two years in graduate school at the University of South Carolina. He has served as youth minister and pastor of churches in South Carolina. He enjoys raising English Bulldogs and was a guard for the Atlanta Falcons – a security guard, that is. He and his wife Deanna have three grown children, all of whom attended NGU.

constance wrightConstance Wright, Ed.D.
Dean of the College of Education
Professor of Education

Dr. Constance Wright is a native of Asheville, North Carolina. She comes from a long lineage of educators. Most of her family and extended family have served in the educational field, whether it was as a teacher, principal, or Superintendent of a school system. Education has been a major influence in her life.

Wright sees herself as a servant leader who strives to enable those around her to be their best and grow professionally. She agrees with Hunter (1998) that the true foundation of leadership is not power, but authority, which is built upon relationships, love, service, and sacrifice. Her leadership style is simply based on strengthening the bonds of respect, responsibility, and caring with the people around her. She loves making connections with her colleagues that allow those bonds to occur. Dr. Wright is blessed with three wonderful children who love to hike, bike, and explore this beautiful world together.

Phone: 864.977.7064
Office Location: Foster 2

Paul Thompson HeadshotH. Paul Thompson, Jr., Ph.D.
Dean of the College of Humanities and Sciences
Chair of the Department of History
Professor of History

Dr. H. Paul Thompson, Jr. received his doctorate in American history from Emory University and a Certificate in Nonprofit Management from Duke University. He is a diversity fellow of The Riley Institute at Furman University and an alum of Leadership Greenville class 44. Prior to teaching at NGU, Thompson had a 13-year career as a public school teacher and taught history at Lander University. His teaching and research interests include the 19th-century temperance movement, African American history, and the history of Christianity in America.

He is also the 2015 NGU recipient of the Excellence in Teaching Award, given by the South Carolina Independent Colleges & Universities. He is the author of A Most Stirring and Significant Episode: Religion and the Rise and Fall of Prohibition in Black Atlanta, 1865-1887, and articles in various encyclopedias. Thompson also considers himself a foodie and enjoys eating at fine restaurants and traveling in his spare time.

NGU Online Faculty

  • Online Business and Leadership

    James Overstreet, DBA

    Dr. James Overstreet serves as course developer and instructor in the NGU Online Business and Leadership program. He earned his B.A. from the University of Florida, and his MBA and Doctorate from Florida State University. He remains a Gator. Overstreet has served as a tenured professor at the University of South Carolina in Columbia, SC and at Appalachian State University in Boone, NC. He has delivered workshops throughout the US. He has over 20 years of business experience with the last thirteen years as a company executive. Overstreet brings a wealth of real world and academic experience to the online classroom.

    Headshot Staff Jill RayburnJill Rayburn, J.D.
    Director of Academic Engagement and Outreach

    As an attorney and entrepreneur, Dr. Jill Rayburn brings her experience from the legal and business world into her classes. She has represented her clients and businesses in negotiating contracts, acquisitions and mergers, real estate development, employment discrimination, and regulatory compliance, as well as, in conducting professional training in HR compliance and best practices. Rayburn recognizes the importance of practical training and education for the business professional in reducing business litigation and increasing productivity. 

    Carter Taylor, MBA

    With 33 years of flying, Carter Taylor retired from American Airlines as their senior flight instructor. Later he trained pilots for The Boeing Company and worked on courseware development for pilot training programs for the new Boeing 787 Dreamliner. He takes great pleasure in shepherding his flock of students, encouraging and enticing them to do their very best work, helping them to achieve their ultimate God-given potential. He enjoys writing and has had numerous articles and photographs published in antique automobile publications. Taylor views the online program at NGU as an incredible opportunity for many deserving adults, enabling them to earn a college degree that may be otherwise unobtainable.


  • Online Christian Ministries

    Matt WiremanMatt S. Wireman, Ph.D.
    Associate Dean of the School of Ministry
    Assistant Professor of Christian Studies

    Dr. Matt S. Wireman is a graduate of The Southern Baptist Theological Seminary with concentrated studies in biblical and systematic theology, hermeneutics, patristics, and postmodern theory. He leverages his ministerial and missionary experience to build courses that are relevant to students who will serve Christ in the pulpit or workplace.  Currently in the process of planting a church, Wireman is an avid writer and blogger, married to his best friend, and a proud father of four.

    William J. Brooks, Jr., Ph.D.

    Dr. William J. Brooks has over 30 years of ministry experience including two pastorates. He graduated from Western Conservative Baptist Seminary with an M.Div. and Th.M., and received his Ph.D. from The Southern Baptist Theological Seminary in biblical counseling accompanied by concentrated studies in applied and systematic theology. Brooks is ordained with the Conservative Baptist Association and a certified counselor with the Association of Certified Biblical Counselors. He is currently working on becoming a fellow with this organization. He and his wife are the parents of two adult sons and grandparents of a grandson. 

    George W. Carraway, Ph.D.

    Dr. George W. Carraway holds a Ph.D. in biblical interpretation from the Southern Baptist Theological Seminary. His area of specialty is the New Testament and particularly Pauline studies. He began his graduate studies after 20 years in a secular career and brings his experience to the development and teaching of courses. Carraway is an active member of South Union Baptist Church. He has been married for 30 years to Jill and is the father of two, both independent now. Dr. Carraway is the author of Christ is God over All: Romans 9:5 in the Context of Romans 9-11, published in the New Testament Studies Series by T&T Clark.

    Headshot Stephen Crouse.Stephen G. Crouse, D.Min., Ph.D.

    Also serving NGU as Vice President for Campus Ministries and Professor for the College of Christian Studies, Dr. Stephen G. Crouse holds two doctorates from The Southern Baptist Theological Seminary with concentrated studies in missions, evangelism, ministry, theology, leadership, discipleship, and campus ministries. He served churches in youth and music ministry before joining the North Greenville University team in 1991. He leverages his ministry background and experience to build courses that are relevant to students who will serve Christ in local churches and the workplace. Crouse delights in a variety of academic pursuits and enjoys writing and administration. He serves local churches through youth ministry, worship leadership, and pastoral duties. He and his wife share together in ministry along with their three children. 

    Rod Elledge, Ph.D.

    Dr. Rod Elledge earned his Ph.D. in New Testament Interpretation from the Southern Baptist Theological Seminary. Leveraging his concentration studies in New Testament Greek, literature, and theology, he serves with CAPS as an online instructor and course developer for North Greenville University’s online program. In addition to his love of teaching others about the Bible, Elledge also enjoys playing the guitar and songwriting.

    Matt Rogers, Ph.D.

    Dr. Matt Rogers is the pastor of The Church at Cherrydale in Greenville, South Carolina. He and his wife, Sarah, have three daughters, Corrie, Avery, and Willa and a son, Hudson. Rogers holds a Master of Arts in counseling from Gordon-Conwell Theological Seminary as well as a Master of Divinity and a Ph.D. from Southeastern Baptist Theological Seminary. Matt writes and speaks throughout the United States on discipleship, church planting, and missions. Find Matt online at http://mattrogersbio or follow him on Twitter @mattrogers.

    Lee Tankersley, Ph.D.

    Dr. Lee Tankersley earned his undergraduate degree from Union University and his M.Div. and Ph.D. from the Southern Baptist Theological Seminary where he studied systematic theology with emphases in the person and work of Christ as well as New Testament theology.  Serving as a pastor in Jackson, TN, he leads an internship there for potential pastors, missionaries, and church planters.  He regularly teaches in the areas of systematic theology, church history, New Testament, Old Testament, hermeneutics, and preaching, and he has published numerous articles.  He is married to Lili, and they have four children.

    Michael Haykin, Ph.D.

    Dr. Michael Haykin is the Professor of Church History and Biblical Spirituality and Director of The Andrew Fuller Center for Baptist Studies at The Southern Baptist Theological Seminary. A native of Birmingham (and thus a supporter of Aston Villa), his family emigrated to Canada when he was 12. Converted in 1974, he attended Wycliffe College at the University of Toronto from 1974 to 1982, earning a doctorate in patristics. He has held several academic positions before taking up his current appointment in 2007. He has a wide range of interests, not limited to Baptist history, as is clear from the papers at our Conference. He has published numerous books on history and spirituality and is involved with publishing through Joshua Press. He, his wife Allison and their children, Victoria and Nigel, live in Dundas, Ontario, and worship at West Highland Baptist Church, Hamilton, Ontario.


  • Online Criminal Justice & Legal Studies

    Jeff Fox, Ph.D.

    Dr. Jeff Fox served for 27 years in the field of criminal justice. He began his law enforcement career as an MP in the U.S. Army and served as town officer, trooper, sergeant, first sergeant, and lieutenant. Fox earned a Ph.D. in homeland security and M.S. and MBA degrees in criminal justice. Fox has been teaching at various colleges and universities since 2001. He retired from state service as a Program Coordinator and Assistant Professor for a Homeland Security and Emergency Preparedness and Criminal Justice Cohort Program. He does consulting, training, and educating in the public safety sector. He has been involved in the response and management of all types of events such as major crimes and disasters. Fox loves working with students.

    Gladys Loney, Ph.D.

    With experience as a law enforcement officer and as a training Lieutenant for the S.C. Department of Corrections, Dr. Gladys Loney educates NGU online students in preparation for careers in law enforcement. Loney has a 15-year background in law enforcement and offers a wide variety of expertise from both a law enforcement perspective as well as that of the criminal justice system. Loney enjoys drag racing motorcycles, where she holds numerous track championships. She is married to John Loney, and they reside in Dalzell, S.C. 

  • Online Elementary Education Studies

    Headshot Kathryn McColskey.Kathryn McColskey, Ph.D.
    Chair of the Department of Educational Studies
    Professor of Education

    With experience as a public school elementary educator and as a children’s minister, Dr. Kathryn McColskey prepares NGU Online students as educators who will make a difference in the lives of children. Recognizing the value of staying connected, a favorite activity is meeting current and former students for coffee and conversation about the NGU Online programs, course assignments, and future goals. She is co-author of two books and an adult Sunday school teacher in her church. McColskey enjoys reading, writing, blogging, and storytelling.

    Ellen CashionMartha (Ellen) C. Cashion, M.Ed.

    Ellen Cashion has experience in the public school system as a special education and fourth-grade teacher. In 2000, she came to North Greenville as an adjunct and in 2001 she was asked to remain at NGU full time, as Assistant to the Director of Teacher Education and instructor for multiple classes. Cashion now is the Director of Teacher Education and teaches many elementary education professional classes for the undergraduate program. In 2015, Cashion began instructing with CAPS for the NGU online program. She has a passion for teaching and mentoring future educators. She hopes her experiences and love of teaching will encourage her students. God has called many to teach and Cashion’s desire is to equip as many as possible to be godly teachers, wherever He may direct them. Cashion enjoys family, especially spending time with her two grandchildren. Additionally, reading, cooking, and travel are her favorite ways to relax.

  • Online General Studies

    Patricia Mercier, D.Min.
    Program Coordinator

    Dr. Mercier has experience in a diverse range of areas from child development and ministry to business, as well as higher education and administrative support. She developed the NGU Online General Studies program, making a classical liberal arts education available to adult learners. Dr. Mercier enjoys seeing adults return to finish their degrees and considers it a privilege to help them succeed and fulfill their calling.

    Alys Blair, M.S.

    Alys Blair graduated with a Masters of Science in Atmospheric Science from the University of Alabama in Huntsville. Her background includes research and operational Meteorology, specializing in lightning studies. She has a passion for sharing her love of science with students of all ages. Blair enjoys sports and spending time with her husband and two daughters.

    Mark Brown, MBA

    After spending time in the U.S. Army: 20th Special Forces Group Airborne (MOS 18C) and the F.B.I. as a Special Agent Accountant; I embraced 30 + years of multipreneurship in the fields of Accounting, Finance, Real Estate & Insurance. Over the last 40 + years, I have held a CPA (ACTIVE) license. Fifteen years ago, the Lord called me to be a Chief Financial Officer and Dean for the School of Business for a Christian University. Presently, I am teaching online courses for North Greenville University and performing consulting work for Quality Matters, Annapolis, MD as a Certified Master Course Reviewer. I have been wonderfully married 50 years to the same bride; who gave me four Sons, two daughters and we now have ten grandchildren and counting.

    Kate Bruce

    Kate Bruce is a mathematics instructor for the online program. She has experience at college and high school levels, face-to-face and online. Aside from teaching mathematics, Bruce has served as a course developer and worked alongside future educators during student teaching. She enjoys spending time with her family, is active in her church and, when time allows, loves to travel.

    David Crum, M.A.

    David Crum teaches online history courses for North-Grenville University. He holds a bachelor’s degree in Biblical Studies from Tennessee Temple University, a master’s degree in theology from Liberty University and a master’s degree in history from Wayland Baptist University. He completed his Ph.D. in Historical Theology from the University of the Free State. His Ph.D. thesis focused on a theological-critical appraisal of the Southern Baptist Convention during and after World War II.

    Crum’s fields of interest include U.S. History, World War II, History of Warfare, and American Religious History.

    He enjoys collecting military items from WWI, and WWII. In his spare time, he enjoys spending time with his wife and kids.

  • Online Psychology – Applied

    Marti GlassMarti J. Glass, Ph.D.
    Director of Adult and Professional programs in the School of Social and Behavioral Science
    Associate Professor of Psychology and Criminal Justice

    Dr. Glass provides leadership and guidance for the NGU Online Behavioral Sciences Program. As a Licensed Professional Counselor, he brings experience and professional perspectives on mental health to the program. Glass also shares expertise from the criminal justice system as a former police officer. His work in private practice counseling has concentrated on marriage counseling, sexual/internet addictions, PTSD, and therapy for children and adolescents.

    Cynthia Doney, LPC, Ph.D.

    Dr. Doney is a Southern California native who moved to Greenville, SC in 2013 after 21 years in Nashville, TN. She has an extensive background in the fields of education and music, and has combined these experiences with her love for guidance and counseling. She holds a Ph.D. in Counselor Education and Supervision from Regent University, and a Master’s degree in Counseling, also from Regent University. Cynthia is the founder of The Barnabas Counseling Group, formerly known as Kairos Counseling Center, and offers many counseling services in an online environment. Doney enjoys working with college students in every capacity. She joined the NGU online faculty in 2015, teaching psychology courses. Serving as a CAPS instructor has been a wonderful way for her to do what she loves while working from home and caring for her family. She states that she is guided by the following Scripture: He has shown you, oh man, what is good and what the Lord requires of you; but to do justly, and to love mercy, and to walk humbly with your God.

    Robert J.F. Elsner, Ph.D.

    Dr. Elsner teaches online with the CAPS program. A gerontologist with expertise in Alzheimers disease, Elsner has taught Family & Community Medicine in two medical schools, Kansei Engineering in an engineering doctoral program, and psychology at both large universities and small Christian liberal arts colleges. He brings experience from several fields, including food sensory science (flavor chemistry and human perception), adult education, theology, medicine, engineering, and culinary arts. Elsner has been teaching online and developing courses and online pedagogies since 1993.

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North Greenville University(NGU) admits students of any race, color, national and ethnic origin to all the rights, privileges programs, and activities generally accorded or made available to students at the school. It does not discriminate on the basis of race, color, national and ethnic origin in the administration of its educational policies, admissions policies, scholarship and loan programs, and athletic and other school-administered programs.

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