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Ph.D. in Organizational Leadership Faculty

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Full-time PhD in Organizational Leadership Faculty

Heewon Chang, Ph.D.
Professor and Chair, Ph.D. in Organizational Leadership
Phone: 610-341-1597; 610-341-4393 (fax)
Email: hchang@eastern.edu

Kathy-Ann C. Hernandez, Ph.D.
Professor, Loeb School of Education
Phone: 610-225-5686; 610-341-4393 (fax)
Email: khernand@eastern.edu

Kirk Mensch, Ph.D.
Associate Professor
Phone: 484-581-1263; 484-581-1276 (fax)
Email: kmensch@eastern.edu

Franklin Oikelome, Ph.D.
Associate Professor; Coordinator of Business Concentration; Cohort Advisor
Phone: 610-341-4362
Email: foikelom@eastern.edu

Primary and Affiliate Faculty

David Bronkema, Ph.D.
Interim Dean, College of Theology & Ministry and Palmer Theological Seminary
Phone: 610-225-5068; 484-581-1276 (fax)
Email: dbronkem@eastern.edu

Sharon Gramby-Sobukwe, Ph.D.
Associate Professor CAS
Phone: 610-225-5728; 484-581-1276 (fax)
Email: sgrambys@eastern.edu

David Greenhalgh, Ed.D.
Professor Emeritus, Ph.D. in Organizational Leadership
Phone: 610-225-5725; 484-581-1276 (fax)
Email: dgreenha@eastern.edu

Joseph B. Modica, Ph.D.
University Chaplain
Phone: 610-341-5826; 610-341-1705 (fax)
Email: jmodica@eastern.edu

Adjunct Faculty

Arthur Abrom, Ed.D
Coordinator of the PA Superintendent Letter of Eligibility Program, Adjunct Professor/Director for Student Services, School District of Lancaster
Phone: 717-735-6689
Email: aabrom@eastern.edu

Anthony Blair, Ph.D., D.Min.
President, Evangelical Theological Seminary

Robert Cannon, Ed.D.
Headmaster, Veritas Scholars Academy

Stephen P. Dill, Ed.D.
Head of School, Delaware County Christian

Michael Dominik, Ph.D.
President and Principal Technology Consultant, Product & Process Development Consultants LLC

Michael Evans, Ph.D.
Senior Pastor, Christ the King Community Church

Dail Fields, Ph.D.
Tenured Professor, School of Global Leadership and Entrepreneurship, Regent University

Eric Harter, Ph.D.
President and CEO of Vesta Technology Solutions
Email: eharter@eastern.edu

Karen Kispert, Ph.D.
Associate for Research and Organization Development, Diana T. Meyers & Associates

Thomas Klaus, Ph.D.
Owner/Principal Consultant, Tom Klaus & Associates

Connie Ostwald, Ph.D.
Professor at Messiah University
Email: costwald@eastern.edu

Gary Ostwald, Ph.D.
Consultant, Coach

Stephanie Colbry, Ph.D.
Assistant Professor/Lead Faculty of Leadership Studies, Northeastern University

Jama Rand, Ph.D.
Assistant Dean of Faculty, Graduate School of Business, On-site Dean, Strayer University

Eastern University's Ph.D. Faculty are experts in organizational leadership.

Board of Fellows


To advise and assist the director and the faculty of the PhD in Organizational Leadership at Eastern University in the fulfillment of the program’s vision and mission. A Board of Fellows provides an external lens and an extended network that can help the program be more connected to the outside world. Opportunity will arise for relationships to develop with the director, faculty, students, the university and one another to advise, encourage, network, mentor, support and pray regarding the following:

  • The realization of the vision, mission and goals of the program
  • The advancement of the reputation of the program
  • Sponsoring projects that enrich the program
  • Connecting with individual students and faculty for future vocation, service and encouragement.

The board of fellows is a body of Christian scholars and businesspersons recognized for their distinguished achievement and service who embrace the vision of the board and are willing to become ambassadors for the PhD program. The board meets once a year.

Current Members

The current board members have been serving five-year terms since 2011.

Ms. Stephanie Summers (Current Chair)
Stephanie SummersStephanie Summers is the CEO of the Center for Public Justice, an independent, non-partisan civic education and public policy organization based in Washington, D.C., and is the publisher of the online journals Capital Commentary and Shared Justice.

Ms. Summers serves on the board of the Institutional Religious Freedom Alliance and is a member of the advisory board for the Institute for Public Service (IPS) at Pepperdine University. She earned a master’s degree in nonprofit management from Eastern University, where she holds an appointment to the board of fellows for the PhD in Organizational Leadership. She chairs the board of The McIlvaine Fund, an alumni and parent group supporting CCO (Coalition for Christian Outreach) campus ministry at her undergraduate alma mater, Kenyon College. 

Ms. Summers has extensive experience in managing nonprofit organizations, building strategic partnerships, and working with volunteers to grow organizational capacity and impact. Prior to her appointment at the Center for Public Justice, she spent 12 years with the CCO, where her roles included Vice President for the Eastern Region and Vice President for Organizational Development. She began her career in nonprofit administration as executive director of The Open Door, a church-based youth center in Pittsburgh, Pa. Ms. Summers is a member of the Association of Fundraising Professionals.

She and her husband, Jason E. Summers, are residents of the District of Columbia.

Dr. Harold Heie
Harold Heie is a Senior Fellow at the Center for Christian Studies at Gordon College (Wenham, MA), where he served as Founding Director from 1994 to 2003. He previously served as Vice President for Academic Affairs at Messiah College (1988-1993) and Northwestern College in Iowa (1980-1988). Prior to that, he taught mathematics at Gordon College (1975-1980) and The King’s College (1963-1975).

He has a BME degree from the Polytechnic Institute of NYU, an MSME from the University of Southern California, and an MA and PhD in mechanical and aerospace engineering from Princeton University. He has co-authored (with David Wolfe) Slogans or Distinctives: Reforming Christian Education (1993), co-edited The Reality of Christian Learning: Strategies for Faith-Discipline Integration (1988, with David Wolfe) and The Role of Religion in Politics and Society (1998, with A. J. Rudin and M.R. Wilson). He has authored Learning to Listen, Ready to Talk: A Pilgrimage Toward Peacemaking (2007), and co-edited, with Michael King, Mutual Treasure: Seeking Better Ways for Christians and Culture to Converse (2009). His latest book, co-edited with Mark Sargent, is Soul Care: Christian Faith and Academic Administration, which will be released in March 2012. He has published a number of essays on the nature of Christian higher education, in the Christian Scholar’s Review and other journals and books.

He serves as a Senior Fellow at the Council for Christian Colleges and Universities (CCCU).

Dr. Karen Longman
Karen A. Longman, Ph.D., joined the Azusa Pacific University faculty in 2006. She received her Ph.D. from the Center for the Study of Higher Education at The University of Michigan. Prior to coming to APU, Dr. Longman served for six years as Vice President for Academic Affairs and Deanof the Faculty at Greenville College (IL) and for 19 years as Vice President for Professional Development and Research at the Council for Christian Colleges & Universities, based in Washington, D.C. She continues to serve as a Senior Fellow with the Council and has coordinated Leadership Development Institutes for emerging leaders within the CCCU since 1998.

Dr. Longman has authored multiple grant proposals totaling over $2.5 million and coordinated the resulting program initiatives with support from the Fund for the Improvement of Postsecondary Education, the W.K. Kellogg Foundation, the Templeton Foundation, the Pew Charitable Trusts, the M.J. Murdock Charitable Trust, and the National Endowment for the Humanities. She served as an editorial board member and reviewer for Research on Christian Higher Education and has been a Staley Distinguished Lecturer at numerous colleges and universities.

Mr. Bob Oliver
Bob Oliver was named Senior Vice President, U.S. Pharmaceutical Sales for OAPI in 2010. He oversees all pharmaceutical sales functions for OAPI, and leads marketing for the neuroscience franchise.

Mr. Oliver has built an exemplary record as a sales and marketing leader over his more than 20 years in the pharmaceutical industry. He joined OAPI from Wyeth Pharmaceuticals, where he served as Senior Vice President, Primary Care Sales and Commercial Operations. In that role he had responsibility for sales and commercial operations in the U.S. and General Management in Puerto Rico. He was also a member of the US Management Team (USMT). Earlier at Wyeth, as Vice President and Global Business Manager, Oncology Sales and Marketing, he oversaw the successful global launch of an oncology drug. In his first role at Wyeth, he served as Vice President, Vaccine Sales.

Earlier in his career, Mr. Oliver spent 16 years in senior sales and marketing positions at Johnson & Johnson. In his last role there as Group Director, Global Marketing, he was co-chair of the Global Life Cycle Team with alliance partner Eisai. Earlier, as Group Director, Sales & Marketing Training & Development, he oversaw marketing and sales training for the Primary Care and Specialty sales forces. Mr. Oliver also held district manager and product management roles in both retail and hospital specialty channels.

Mr. Oliver earned an MBA degree in Marketing from the Haub School of Business at St. Joseph’s University, where he sits on the Pharma Board of Directors. Bob also has a BA degree from Rutgers University in Piscataway, NJ.

Dr. Bramwell Osula
Dr. Bramwell Osula is an applied human services practitioner with a wealth of experience that cuts across the areas of global leadership, cultural analysis, and consultant management.

Dr. Osula holds a Ph.D. in Sociology. His teaching, research, and consulting practice is the result of living explorations in Africa, Asia, the Caribbean, Canada, the United States, and Europe.

Dr. Osula is active in a variety of leadership and other programs as a professor, consultant, trainer, and mentor. He is a frequent participant in and organizer of training workshops and professional development seminars. His interests include leadership development, organizational diagnosis, consulting theory and practice, ethics, cross-cultural analyses, security and public policy.

Prior to joining the faculty at Regent University, Dr. Osula served as director of business development for an IT consulting firm. He was also an adjunct faculty member at the City University of New York and College of Saint Elizabeth in New Jersey.

Dr. Efrain Rivera
Efrain Rivera is the Senior Vice President, Chief Financial Officer, and Treasurer at Paychex. Rivera was formerly corporate vice president and chief financial officer at Bausch & Lomb, a global eye health company. He also served as Vice President of Finance and Administration for Houghton College.

Rivera was born in Paterson, New Jersey. He received a B.S. degree in Psychology from Houghton College and went on to earn an MBA in Finance from The William E. Simon Graduate School of Business at the University of Rochester as well as a Juris Doctor (J.D.) degree from New York University. He also earned an Executive Doctorate in Management from Case Western Reserve University, Cleveland, Ohio.

In the mid-1980s, Rivera worked as a trial attorney in the Civil Division of the U.S. Department of Justice in Washington. In 1989, he joined Bausch and Lomb and held director positions in Investor Relations and Business Analysis. In 1994, Rivera served as general manager of B&L Mexico and later in the 1990s as vice president of its Finance and Vision Care operations in Rochester. He continued his career as president of B&L Canada and Latin America. In 2002, he was elected an officer of the company and shortly thereafter took a leave of absence to serve as Dean of the School of Professional Studies at Eastern University, near Philadelphia, PA. In 2004, he returned to B&L and was named corporate vice president and treasurer. He took an early retirement from B&L in 2009.

Rivera is a Certified Management Accountant (CMA), Certified Financial Manager (CFM), a member of the Institute of Management Accountants, and a member of Beta Gamma Sigma, the international honor society for business. He and his wife Michele, a Houghton alumna who also graduated in 1978, are parents of two teenage children.

Mr. Sierd Tilma
Mr. Tilma has been Chief Financial Officer of a private investment management company for the thirteen years leading up to his retirement in the middle of 2014. He began his career on Wall Street at The Chase Manhattan Bank, followed by management positions at other organizations in New York City, Bermuda, and London, England.

Mr. Tilma currently serves as an elder at Church of the Saviour in Wayne, PA and has previously served as elder and chairman of their church in New Jersey. In addition, he is a former trustee and chairman of The Stony Brook School, a Christian college preparatory school in Stony Brook, NY, and former chairman of its Investment Committee.

He holds a Master’s Degree in Business Administration and the Chartered Financial Analyst designation (CFA). He and his wife grew up in The Netherlands. They are the parents of three grown children and grandparents to four grandchildren.

Past Members

Past members of the board supported the PhD program from 2011 until 2016.

Dr. Joan k. Singleton (Chair, 2011 - May 2016)
Dr. Joan K. Singleton is the vice president for Workforce and Organizational Effectiveness at Milton Hershey School, Hershey, PA. Prior to joining Milton Hershey School, Joan was the vice president of Finance and Administration/Chief Financial Officer at Azusa Pacific University.

She also served as the senior vice president and Chief Financial Officer of La Petit Academy. Joan’s career began in public accounting with ten years of service with Arthur Andersen and Deloitte & Touche.

She is a board member of World Vision.

Joan received her Bachelor degrees in Accounting and Business Administration from Eastern University, a Masters in Taxation degree from Villanova School of Law, and a doctorate in higher education management from the University of Pennsylvania. She is a certified public accountant.

Dr. Michael Barbalas
Michael Barbalas is currently president for China business for Goodrich Corporation, a US Fortune 500 company in the aerospace industry.

Prior to joining Goodrich he served as the President of the American Chamber of Commerce in China from November 2006 to March 2010 where he oversaw the programs and services to support over 1,200 member companies and 2,600 individual members.  He previously served on the board of the American Chamber of Commerce in Shanghai and was Vice Chairman in 2005.

From 1997 to 2006, he was Managing Director, Andrew Telecommunications (China) Co. Ltd.  Under his leadership the company grew to be the largest and a leading manufacturing and R&D site for Andrew Corporation globally.  He previously worked in management positions in Tianjin, China for Management Technologies International, and in Hong Kong for Friends of China Foundation.   He holds a B.S degree in Chemistry from Rose-Hulman Institute of Technology and earned his Ph.D. in Chemistry from Cornell University.  Michael reads and speaks Chinese.

Michael is a frequent speaker on operational excellence, leadership development and foreign investment in China.  He has a keen interest in cross-cultural aspects of management and leadership development.

Mr. Ronald B. Evans
Ron is a graduate of Auburn University with a degree in Psychology and Westminster Theological Seminary with a Masters of Divinity.

Founder and manager of the Mustard Seed bookstores for over 35 years.
Elder at the Church of the Saviour in Wayne, PA.

Member of Eastern University’s Board of Trustee since 1993, with continuos participation in the Student Development Committee. Ron serves as the liaison between the university’s trustees and the Board of Fellows.
Updated (2011). William, The Baptist – A Classic Story of A Man’s Journey To Understand Baptism by James M. Chaney.

Dr. Annie Hunt Burriss
Annie Hunt Burriss is the Special Assistant to the President at the Medical College of Georgia and the recipient of a 2011 Georgia Bio Industry Growth Award.

Burriss, a founder of GaBio, was honored for linking business, academic, government and philanthropic sectors to advance Georgia’s bioscience industry. At MCG, she advises the President on mission-centered and market-smart initiatives, optimizing collaboration with academia, business and government.

Before joining MCG, she served as Executive Director of then-Gov. Sonny Perdue’s Commission for a New Georgia, as the Governor’s Senior Adviser and as University System of Georgia Associate Vice Chancellor for Economic Development.

As an economic developer she helped secure the American Cancer Society’s national headquarters relocation to Atlanta and pioneered a focus on public-private intellectual capital partnership development programs within the university system. She has served as a member of the GaBio Board of Directors, Executive Director of the Commission for a New Georgia, a state board member of the Technical College System of Georgia and president of the Georgia Economic Developers Association. She has been named five times in Georgia Trend magazine’s 100 most influential Georgians.

She earned a master’s degree in city planning from Georgia Institute of Technology and a doctorate from the University of Pennsylvania.

The board of fellows is a body of Christian scholars and businesspersons recognized for their distinguished achievement and service who embrace the vision of the board and are willing to become ambassadors for the PhD program.


Heewon Chang, Ph.D.
Program Director, Ph.D. in Organizational Leadership
Phone: 610-341-1597; 610-341-4393 (fax)
Email: hchang@eastern.edu

Amy Schreiber
Administrative Manager
Phone: 610-225-5519
Email: aschreib@eastern.edu

Jon-Michael Odean
Enrollment Counselor
Phone: 610-341-4364
Email: jodean@eastern.edu

Nicholas Snyder
Enrollment Counselor
Phone: 610-225-5557
Email: nsnyder@eastern.edu

Alex Stenman
Enrollment Counselor
Phone: 484-381-0495
Email: astenman@eastern.edu

The program's staff include three enrollment counselors and Dr. Heewon Chang, Program Director for the Ph.D. in Organizational Leadership.

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