Mark Bosick came to Aspen Country Day School at the beginning of the 2024-25 school year. He was previously Middle School Division Head at Sonoma Country Day School in California for five years. Before joining Sonoma Country Day, Mark served as a teacher and a dean in Colorado at Kent Denver, where he was honored with the prestigious Thomas J. Graesser Teaching Chair award. Mark has also coached teams in soccer, wrestling, lacrosse, and rock climbing. He has devoted more than 20 years to his work as an educator, consistently in the middle school setting. Mark, the first in his family to attend college, is originally from Wilmington, Delaware. He has an undergraduate degree in biology as well as a master’s in education from the University of Delaware.
