Jonathan Arnold joined the Upper Campus Math Department at Indian Mountain School in 2021. Mr. Arnold coaches and advises and is also a faculty advisor to the GLOW (Gay, Lesbian Or Whatever) and Jewish student groups. He earned a BA in English from Amherst College and an MBA in finance and real estate from The Wharton School of the University of Pennsylvania. Prior to teaching, Mr. Arnold had a long career in sales and marketing for luxury home brands. He lives in West Cornwall with his partner.