Duval became staff assistant to President Nixon in 1970, planning and scheduling foreign trips, after being a lawyer at the Federal Aviation Administration.

They prepared a set of recommendations on intelligence community reform and drafted an Executive Order to implement President Ford's decisions.

In June, Cheney urged Raoul‑Duval and others to draft a "rose garden" strategy for the fall election campaign.

He formed the Duval Group in 1990, a New York investment banking firm specializing in international mergers.

[1] He later moved to Santa Fe where he opened the investment banking firm Michael Duval & Associates where he was chairman until he retired in 1999.