乔尔泽利尔 joined the faculty of 高度学校 in 2004. He is currently the Director of Summer Programs, as well as an upper and middle school math teacher. Mr. Sellier’s classes include algebra II for ninth and tenth graders and pre-algebra for seventh graders. He coaches the varsity golf team and the middle school wrestling team. Mr. Sellier graduated from The College of William & Mary in 2004 with a degree in psychology. He lives in Herndon, Virginia with his wife Charlotte, and four children, Felicity, Poppy, Margaux, and Blaise.