Sports          Coach           Country1     Year    Achievement        Country2     Year    Achievement
gymnastics      Béla Károlyi    Romania      1988       Gold          United States  1996       Gold
Swimming        Laurie Lawrence Australia    1984       Gold            Australia    1988       Gold
Athletics       Malcolm Arnold  Uganda       1972       Gold          United Kingdom 1992       Gold
Volleyball      Lang Ping       China        1984       Gold          United States  2008      Silver
Volleyball      Guimarães       Brazil       1992       Gold            Brazil       2012       Gold