Decio Oddone, director general of Brazil’s hydrocarbons regulator ANP, is taking to his new job like a duck to water.

A long and varied career gives him a broad perspective of the task in hand. But his oil industry connection goes deeper, starting with a maternal grandfather — also named Decio Oddone — a former Petrobras director who helped make a success of the fledgling oil company in the 1950s and who co-authored an influential report on exploration potential in Brazil.

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