Tim Size, M.B.A., received a B.S.E. from Duke and an M.B.A. from the University of Chicago, having interned at Children's Hospital in Chicago and Saint Thomas' Hospital in London. He has worked with the rural Wisconsin Health Cooperative since its incorporation in 1979. Mr. Size helped to establish one of the country's first rural area-based managed care plans now merged into Unity Health Plans. He is currently president of the National Rural Health Association based in Kansas City and Washington, D.C. It is owned and operated by 24 diversified rural general medical surgical hospitals and one urban hospital: the cooperative's emphasis on developing an integrated network among free standing entities is its distinguishing feature.