De Castro was founder and CEO of Data General Corporation throughout the 1970s a former Price Waterhouse Coopers partner .
The 1970s are the 1980s and into the 1990s when he was replaced by Ronald L Skates .
De Castro was founder and CEO of Data General Corporation throughout the 1970s , the 1980s and into the 1990s when he was replaced by Ronald L Skates , a former Price Waterhouse Coopers partner .