Mr. Koetter taught at Cornell, Yale, and Harvard universities before returning to Yale, where he served as dean from 1993 until 1998. He is a founding partner of Koetter, Kim and Associates, Inc., Architecture and Urban Design. Current and recent work of Mr. Koetter and his partner, Susie Kim, include two buildings at Cornell and one at Yale along with winning competition entries for the Sewoon 4 District in Seoul, South Korea, currently in construction; the expansion of Chunchon, South Korea; a major expansion of Aktau, Kazakhstan; and a multi-building, city-center, regeneration program for Columbus, Indiana, currently in construction. He is the author of numerous articles and books, including Collage City, co-authored with Colin Rowe.