In 1993 , Marshall Industries ( NYSE : MI , 1984-1999 ) CEO , Robert Rodin , trained with the then 90-year-old Deming and his colleague Nida Backaitus . In 1990 Marshall Industries ( NYSE : MI , 1984 â `` 1999 ) CEO , Robert Rodin , trained with the then 90 year old Deming and his colleague Nida Backaitus .