Julie C. Robinson

Julie focuses her consulting work with ISC in the areas of fundraising, planning, and governance, and brings to ISC university classroom teaching experience, as well as experience in marketing and communications.

As a graduate student at Georgia State University, Julie specialized in education leadership, education reform, and student achievement.

A member of Phi Beta Kappa, and a South Carolina Honors College graduate, Julie earned her B.A. in Journalism and Mass Communications from the University of South Carolina, and she has completed all required coursework toward earning her M.S. from the Department of Educational Policy Studies at Georgia State University.


David R. Skillen

ISC has its origins in the early work of Dave among independent schools in the Southeast, beginning in the mid-1980s. As ISC’s Senior Consultant, Dave’s work has focused on planning, fundraising management and school governance.

He has served as a director of development at both the secondary and collegiate levels and holds a bachelor's degree in business administration from Wheaton College (IL) and is a graduate of The Stony Brook School (NY).

Dave serves as ISC's lead counsel to the Southern Association of Independent Schools (SAIS) and has worked directly with over seventy independent schools.



Charles F. Zimmer

Charley has served as headmaster of two schools - Episcopal High School (FL) and Virginia Episcopal School. At St. Andrew's School (DE), he served as the Director of Development, Director of College Counseling, Assistant to the Headmaster, English teacher, and Varsity Basketball coach.

Charley is currently a trustee at Seacrest Country Day School (FL), Grace Episcopal Day School (FL), and The Guardian Catholic Schools (FL). He is also a member of The Headmasters Association and The Cum Laude Society. Charley served as President of the Virginia Association of Independent Schools and as a member of the Board of Directors of the Florida Council of Independent Schools.

Charley received his undergraduate and master's degrees from Duke University and University of Notre Dame, respectively.