Question: Who now owns the company that was headed by Robert Leo "Bob" Hulseman until 2006?
Sentence (from "Robert L. Prestel"): Robert Leo Prestel (born February 11, 1936) is an American intelligence official and mathematician who was Deputy Director of the National Security Agency from 1990 to 1994, during which time he was the highest ranking civilian in the agency.
Relevant evidence: No