(864) 977-7000

Department of Accounting


Chris Zapalski | Chair of Accounting Department

Christopher Zapalski, LL.M., D.B.A., J.D.

Chair of the Department of Accounting
Associate Professor of Accounting

Christopher serves as the Academic Chair of the Accounting Department here at North Greenville University. Christopher has obtained the post-doctorate Master of Laws and a graduate certificate in Industrial and Organizational Psychology, as well as the following graduate degrees: Doctor of Business Administration, Doctor of Law, Master of Business Administration, Master of Accounting, Master of Science (Criminal Justice), Master of Public Administration, Master of Information Systems Management, and Master of Human Resource Management. For professional activities, Christopher is a practicing accountant and attorney and has been admitted to the bar in Florida, The District of Columbia, the U.S. Tax Court, as well as other federal jurisdictions. When Christopher is not teaching or grading work, he enjoys spending time with his daughter Tabitha, and wife Laura. During his leisure time, he is either training horses or traveling in the family boat or motorhome. At North Greenville, his calling is to create an Accounting environment that is encouraging and comforting and one that urges students to recognize that God owns it all, and to live lives worthy of God, who has called you into His kingdom and glory (1 Thessalonians 2:12 (NIV)).

Phone: 864-663-0179

Email: christopher.zapalski@ngu.edu

Office Location: Neves 203

Jason Cote | Instructor

Jason Cote, M.A.

Instructor of Accounting

Jason Cote serves as an instructor of accounting in the College of Business and Sport Professions at NGU. Cote earned his Bachelor of Science degree in financial management (’95) at Clemson University and a Master of Arts in accountancy (’97) from the University of South Carolina. Before teaching at NGU, he worked as an accountant for McGregor & Company, LLP and a teacher and coach at both Orangeburg Preparatory Schools and Calhoun Academy. Jason enjoys spending his free time with his wife Wendi and their dogs.

Phone: 864-895-1611

Email: jason.cote@ngu.edu

Office Location: Neves 213

John Duncan | Dean of the College of Business & Entrepreneurship

John Duncan, Ph.D., CPA, CKA

Professor of Accounting
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®. Dr. 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.
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

Email: john.duncan@ngu.edu

Office Location: Neves 304


Peggy James | Instructor

Peggy James, M.S.

Instructor of Accounting

Peggy James serves as an Accounting Instructor as a part of the College of Business & Sport Professions at NGU. James earned her Bachelor of Science degree in Accounting as well as her Master of Science in Management from Clemson University. Prior to teaching at NGU, James started the Small Business Development Center of SC working both with Clemson University and the University of South Carolina. She has worked continuously in Accounting since leaving the Small Business Development Center while continuing to teach Accounting at Colleges and Universities. In her spare time, James enjoys a type of recreational shooting called ‘sporting clays’, farming, and wildlife preservation.  

Phone: 864-270-8660

Email: peggy.james@ngu.edu

Office Location: Neves 211


Department of Business Administration


Jon Boulet, Ph.D. | Chair of Business Administration

Jon Boulet, Ph.D.

Chair of the Department of Business Administration
Professor of Economics

Dr. Jon Boulet serves as the chair of the Business Administration Department at NGU. Boulet served in the U.S. Army National Guard from 1986 to 1994 and then earned his doctorate in economics at Clark University in 1999. He holds a first degree black belt in karate. He has written several fiction books and short stories. He has also been a guest regarding economic issues on several radio programs.

Phone: 864-977-7260

Email: jon.boulet@ngu.edu

Office Location: Neves 201


David Entrekin, M.S. | Instructor of Economics

David Entrekin, M.S.

Instructor of Economics

David Entrekin serves as an Instructor for Economics in the College of Business and Sports Professions. He earned a Bachelor of Science degree in 1998 from Clemson University in Management/Economics and a Master of Science degree in 2001 from Clemson University in Applied Economics. With years of trading and investing experience, David is an expert in both fundamental and technical stock analysis. An avid stock market aficionado, David has an impressive track record of consistently outperforming the DOW and S&P and brings a wealth of real-world financial experience to academia. He has plans to complete his Ph.D. and is currently working on his first book about investing. Interests include hiking, tennis, world travel, and classic European cars.

Phone: 864-977-2075

Email: david.entrekin@ngu.edu

Office Location: Neves 212
Rick Martinez, Ph.D. | Associate Dean of Undergraduate Business Programs

Rick Martinez, Ph.D.

Associate Dean of Undergraduate Business Programs
Distinguished Professor of Management

Dr. Rick Martinez is the Assoc. Dean of Undergraduate Business Programs, and a Professor of Business Administration in the College of Business and Entrepreneurship. Prior to coming to NGU, Dr. Martinez served in numerous faculty and administrative roles at Baylor University, Houston Baptist University, and Oklahoma Baptist University, as well as Assistant VP for Academic Affairs at Charleston Southern University. He has published in numerous peer-reviewed journals, including Journal of Management, California Management Review, Journal of Business Research, Business Horizons, Journal of Biblical Integration in Business, Christian Scholars Review, Christian Business Review, Christian Business Academy Review, and others. Dr, Martinez has also served in numerous editorial roles. Prior to his academic career, Dr. Martinez spent six years in the U.S. Navy operating nuclear power plants on surface ships. Dr. Martinez has a B.S. in Political Science from Arizona State University, an M.B.A. in Management of Information Systems from Baylor University, and a Ph.D. in Management from Texas A&M. Rick and his wife Peggy live in Greer and are by God’s grace the blessed parents of 3 amazing young adult children, Mariah, Tyler, and Sierra.

Phone: 864-663-0780

Email: rick.martinez@ngu.edu

Office Location: Neves 210
Jill Rayburn | Assistant Professor of Business

Jill Rayburn, J.D.

Assistant Provost for Academic Outreach and Director of Professional Programs
Assistant Professor of Business Law

As an attorney and entrepreneur, Dr. 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. Dr. Rayburn recognizes the importance of practical training and education for the business professional in reducing business litigation and increasing productivity. 

Phone: 864-977-7256

Email: jill.rayburn@ngu.edu

Office Location: Greer Campus


Bob Shearer, J.D. | Instructor of Business

Bob Shearer, J.D., M.Div.

Instructor of Business

Dr. Bob Shearer earned his BA in History and Political Science from Kalamazoo College (1965), Juris Doctorate from the University of South Carolina (1975) and M.Div. from the Southern Baptist Theological Seminary (1978). After graduation from college in 1965, Bob joined the U.S. Air Force and was an air commando pilot in Vietnam (1968-69) and commanded four engine jet transports out of Charleston Air Force Base from 1969-72. He surrendered his life to Jesus Christ while in law school and started churches in Ohio and South Carolina from 1978-2001. Since then Dr. Bob has served Christ as a representative with the Fellowship of Christian Athletes, television host for Dove Broadcasting and published the book "Life in the Two Cross Kingdom." His life experience lends itself well to the teaching of General Business and Business Law courses at North Greenville University, where Christ indeed makes the difference in the Marketplace of Commerce and Ideas. He is married to Ellen and they have two sons and daughters in law with three grandchildren.

Phone: 864-663-0274

Email: robert.shearer@ngu.edu

Office Location: White Hall 211

Feliccia Smith, Ph.D. | Professor of Business

Feliccia Smith, Ph.D.

Professor of Business

Dr. Feliccia Smith earned a Bachelor of Science in mathematics (1996) with an emphasis in statistics from the University of Wisconsin - Green Bay; a Master of Arts in management from Webster University (1998); and a doctorate in leadership and organizational change from Walden University (2003). Smith is also a small business owner. Prior to entering higher education, she honed experience in K-12 public education; county and federal government; the nonprofit sector; and corporate America. Smith states that teaching has always been her lifelong passion, and she is grateful that she is able to live a life according to God's purpose and plan for her life.

Phone: 864-977-7259

Email: feliccia.smith@ngu.edu

Office Location: Neves 208


Department of International Business


Franklin Aviles Santa, Ph.D. | Chair of the International Business, Associate Professor

Franklin Aviles Santa, Ph.D.

Chair of the Department of International Business
Associate Professor of Business

Dr. Franklin Aviles Santa is the International Business Chair in the College of Business and Sports Professions. He has been teaching since 2000 in different higher education institutions in Puerto Rico and around the world. Previously, he worked at Southern Wesleyan University in Central SC, Higher Colleges of Technology in Dubai, United Arab Emirates and Miami Dade College in Miami, FL. He teaches human resources, organizational behavior, international business and other management courses. Dr. Aviles has made international presentations in Cuba, Uruguay and Brazil concerning international openness and the benefits of trade and agreements.

Born and raised in Puerto Rico, Aviles-Santa obtained a Master’s in Business Administration from University of Phoenix with concentration in Global Management and a Ph.D. in International Business and Entrepreneurial Management & Development from Inter American University of Puerto Rico. He has worked with state and federal government agencies as a business consultant, is part of the Education Committee at the Hispanic Alliance, works with the South Carolina Hispanic Chamber of Commerce and formerly led the Puerto Rico Initiative in the Upstate following Hurricane Maria.

Dr. Aviles attends New Spring Church in Powdersville where he volunteers with the FUSE program and with the Latin/Hispanic community. He has three children; Franklin Joel, Melanie Cristal and Alondra Isabel. In his spare time, he loves reading, having coffee, hiking and spending time with friends.

Phone: 864-895-1440

Email: franklin.aviles-santa@ngu.edu

Office Location: Neves 204


Francisco Salles | Assistant Professor

Francisco Salles, Ph.D.

Assistant Professor of International Business

Dr. Francisco Salles serves as an assistant professor of international business at NGU. He earned his doctorate in economics at Vanderbilt University in 1967. He has served in the Agricultural Ministry in Brazil, coordinating and directing governmental policy decisions. He has also done consulting on international business operations for firms looking to do business in Latin America. 

Phone: 864-663-0051

Email: francisco.salles@ngu.edu

Office Location: Neves 206


Department of Marketing


David Riddering, Ph.D. | Chair of the Department of Marketing

David Riddering, Ph.D.

Chair of the Department of Marketing
Professor of Marketing

Dr. David Riddering has been with the North Greenville University family since January 2018.  Previously, he worked at Belhaven University in Jackson MS teaching Marketing for more than 5 years.  He was a bi-vocational pastor for more than 30 years and was senior/founding pastor at Theopolis Alliance Church and Academy in Mayaguez, Puerto Rico. Born in New Orleans, Louisiana, he grew up in Merida, Yucatan in Mexico where his parents were educational missionaries.  He moved to Puerto Rico at the age of 9 where he has spent most of his life.  Shortly after getting married, he and Marggie, his wife, spent three years in the Dominican Republic as missionaries.  He has three children:  Grettchen, Jonathan, and Karenlie, and five granddaughters and one grandson.

He has also worked as a translator for the Social Security Administration in Washington DC, as Business Development Manager with the Bank of Nova Scotia in Puerto Rico for 7 years, and was Church Planting Director with his denomination

Dr. Riddering holds a BA in English Literature, a Master of Business Administration in Marketing, and a Ph.D. in Entrepreneurship and Human Resources.

In the ministry, pastor Riddering has participated in many musical ministries and enjoys worshiping the Lord by singing, playing the keyboard, guitar and bass. 

Phone: 864-977-7255

Email: david.riddering@ngu.edu

Office Location: Neves 205


Mollie Withers, M.B.A. | Instructor of Marketing

Mollie Withers, M.B.A.

Instructor of Marketing

Mollie Withers serves as a full time instructor of marketing in the Marketing Department at NGU. Withers earned her Bachelor of Arts degree in international business and a master's in business administration from North Greenville University. Prior to teaching at NGU, Withers worked in nonprofit marketing and event planning and management in Greenville, S.C. She also previously earned a certification in teaching English as a Second Language (ESL) and volunteered as an ESL teacher in Greenville, S.C., for the Greenville Literacy Association. In her spare time, Withers enjoys traveling, running, cycling, gardening, and spending time with family and friends. She and her husband, Seth, have two sons, Franklin and James.

Phone: 864-977-7258

Email: mollie.withers@ngu.edu

Office Location: Neves 214


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