Dr. Craig N. Gemmell is President of Brewster and BA International. He began this role on July 1, 2021 after serving as Brewster's Head of School since 2015. As Brewster's President, he acts as an advisor to Brewster's Head of School and supports the work of the Admissions and Advancement teams. He also ensures alignment between Brewster Academy and its emerging global network. As BA International's President, Dr. Gemmell is the executive leader of the Academy's expanding network of schools globally.

Dr. Gemmell came to Brewster after 21 years at the Groton School in Groton, Massachusetts. An accomplished independent school leader, Dr. Gemmell is passionate about education and student centeredness. Over the past 32 years as an educator, he has built an impressive reputation for his innovative and collaborative approach. He has led strategic program initiatives, master-planning projects, alumni outreach efforts, and thoughtful governance and accreditation reviews while maintaining a close connection to students through teaching, coaching, and dorm parenting.

At Groton Dr. Gemmell served as the assistant head for program from 2012-2015 and from 2010-2015 was co-chair of the Groton STEM (Science, Technology, Engineering, and Math) Initiative. He also helps the positions of Director of Program Development; Director of College Counseling; and Global Services Intensive trip leader. Additionally, he taught science courses, served as a dorm parent, and coached cross-country running, crew, and recreational winter running.

Previously he was on the faculty at Loomis-Chaffee and Pomfret schools and served as an instructional assistant at Duke University while pursuing his master’s degree.