Our Consulting Team

JAY R. DESKO, Executive Director, Consultant
Jay is the Executive Director of The Center and serves on the Senior Leadership Team at Calvary Church of Souderton. He is a graduate of Philadelphia Biblical University (B.S.), Pennsylvania State University (M.Ed.), and The Union Institute and University (Ph.D.). Jay brings experience in the areas of ministry assessment, leadership coaching, decision-making, and strategic questioning.


GERALD G. DUNLAP, Consultant
Jerry is a Certified Public Accountant with over 50 years experience in accounting, tax, and consulting services. His expertise lies primarily in the areas of financial consulting, systems management, and accounting services. He has served on a number of non-profit boards and has helped numerous privately-held businesses and non-profit organizations to grow and achieve their goals. Jerry is a member of the American Institute of Certified Public Accountants as well as the Christian Management Association. His past affiliations include serving for 40 years as the managing partner of a large CPA firm, CEO for World Team USA, Trustee of the Grandview Hospital Foundation, and Trustee of Biblical Theological Seminary.

BRENT FINK, Consultant
Brent has over 16 years of church and para-church ministry experience, including 10 in a large-church ministry environment. He also has two years' experience as an Organizational Development Coordinator for a regional firm, along with overseeing the firm’s training and development center. Brent has a Bachelor of Science from Philadelphia Biblical University (B.S.) and a Master of Science in Organizational Leadership (M.S.) from Philadelphia Biblical University. He has also done studies at Biblical Theological Seminary (M. Div. program) and at Argosy University (Ed. D. Organizational Leadership program). Brent's consulting experience includes process improvement, performance measurements, and performance training.

DIANA BUI, Client Services Coordinator
Diana coordinates all major services of the Center including project management, leadership support and client connection.

DONNA JACOBINI, Client Services Coordinator
Donna coordinates all major services of the Center including project management, leadership support and client connection. She's been a member of the Calvary Church staff for the past 16 years where she has enjoyed an active ministry life. Donna served as a member of the Executive Board of Plumstead Christian School for 12 years. She is a graduate of Gwynedd-Mercy College, Gwynedd Valley, PA (BS, Business Education).


SAMUEL H. KULP, Client Services Specialist
Sam serves as one of The Center's client service specialists. He is a retiree of Merck & Co., Inc., where he served in increasing levels of leadership in the Safety Assessment Department for thirty-four years. Sam is a graduate of Easter Mennonite University, Harrisonburg, VA (BA Biology with certification in secondary education). He has been an active teacher and leader in the Church for the past forty years.

WAYNE K. LYNCH, Consultant
Wayne is a graduate of Dallas Theological Seminary (M.A.), Temple University (M.Ed.), and Rider University (B.S. Marketing / Management). He is an Advanced Certified Fundraising Executive (ACFRE) by the Association of Fundraising Professionals (AFP). As a consultant, Wayne brings over 30 years of experience in finance and fundraising.



DAVE MARKS, Consultant
Dave has over 25 years of church ministry experience including 23 years as a senior pastor. He has a B.R.E. degree from Baptist Bible College and Seminary, an M.S. in Organizational Leadership from Philadelphia Biblical University and a DMin. from Biblical Seminary.. Dave’s consulting experience includes ministry assessment, leadership coaching, and strategic planning.


STEVEN K. MOYER, Consultant
Steve has over 20 years of leadership and management experience including human resources and consulting. His education includes Eastern University (B.S.), Temple University (M.B.A.), and The George Washington University (Ed.D). Steve brings extensive experience including leadership coaching, human resources, personnel selection, and strategic planning.


CHARLES H. ZIMMERMAN, Consultant
Charles serves as Thomas V. Taylor Professor of Practical Theology at Biblical Theological Seminary. A gifted communicator, Charles also serves as the Teaching Pastor at Calvary Church in Souderton, PA. He is a graduate of West Chester University (B.S.), Biblical Theological Seminary (M.A. and M.Div.), and Westminster Theological Seminary, (D.Min.). Charles brings experience in strategic questioning and ministry strategy.