Semmer-Carl225.jpgCarl Semmler has been serving in Catholic education since 1986. His formal education includes earning a B.S. in Communications Management from New York University, completion of the Philosophy/Pre-Theology program at St. John’s University, earning an M.A. in Theology from Immaculate Conception Seminary and a P.D. in School Administration from Queens College. Finally he has completed a doctoral degree in Instructional and Educational
leadership at St. John's University.

Dr. Semmler has had the pleasure of teaching students in parish religious education programs well as youth ministry. In addition, he has formally taught theology and philosophy on the secondary school level, as well as directed campus ministry programs. These endeavors included creating academic, service, prayer and retreat programs. Dr. Semmler has served on multiple committees on the school, superintendent and diocesan levels, ranging from educational certification to school strategic planning and reconfiguration. Dr. Semmler held educational leadership positions as principal and associate
superintendent within the dioceses of Long Island, N.Y. He has had the opportunity to work in adult education as an adjunct professor at St. John's University and Brooklyn College. He taught courses in Catechetical Certification for the Diocese of Rockville Center.

His most recent research surrounds the analysis of Catholic educational strategic planning within dioceses which are experiencing demographic changes. Dr. Semmler is happily married to Christine and they have three beautiful children named Sophia, Thomas and Timothy.

Assistant Principal


Marissa Bohan Vandenberg originally hails from Atlanta, Georgia. Having grown up in Catholic schools, Mrs. Vandenberg believes in the vision of Catholic education and the mission of Christ the King. After attending the Honors College at the University of Georgia Mrs. Vandenberg received her B.A. in English and B.S.Ed in English Education. Part of her undergraduate career also included studying abroad through a Service Learning program in Tanzania. Her first teaching assignment out of college was in Title I education as an instructor of American Literature just south of Atlanta. In addition to her teaching duties, she served as the Student Government Association sponsor, Varsity Cross Country Coach, and held a weekly professional development seminar for fellow teachers. She was named to the Fulton County Vanguard Technology team and awarded Teacher of the Year in her second year of teaching.  
Mrs. Vandenberg returned to Catholic education at her alma mater, Blessed Trinity, in Roswell, Georgia, where she taught Freshmen Advanced English and World Literature. She co-moderated the Habitat for Humanity campus chapter and coached the Varsity Girls Cross Country team. After earning her M.Ed in Instructional Technology, Mrs. Vandenberg left the United States to serve in the Peace Corps as a Teacher Trainer at Cebu Technological University in the Philippines. 

After relocating, Mrs. Vandenberg was first hired at Christ the King in the role of IT Coordinator and now serves as our Assistant Principal and Girls Cross Country Coach. In addition to her work at Christ the King, Mrs. Vandenberg enjoys running, reading, and exploring Charlotte with her new husband, Adam.