Jonathan Arnold will join our Upper Campus Math Department full time this fall after serving as a long-term math substitute last year. This year, in addition to teaching math, Mr. Arnold will be a coach and an advisor. He earned his bachelor’s degree in English from Amherst College, and an MBA in Finance and Real Estate from the Wharton School at UPenn. After a long career in the business world, Mr. Arnold is stepping full time into the classroom.