Eric Hauptman was a Manticoran citizen and the father of Klaus Hauptman, as well as his predecessor as President and CEO of the Hauptman Cartel. (HH1)

His father built the Hauptman family estate on Manticore. Eric himself was the last head of the family business who was not a prolong recipient, and maintained direct control of the Cartel until the day of his death, leaving his son Klaus somewhat unprepared for his important role. (HH6)

In the middle of the 19th Century PD, he founded the Hauptman Foundation. He was also the grandfather of Stacey Hauptman. (CS1)