oil
Billionairesworld's billionaires
Dannine Avara: Quiet Custodian of a Billion-Dollar Energy Legacy
Dannine Avara, one of the heirs to the Enterprise Products Partners empire, embodies a low-profile yet pivotal role in preserving and growing her...
Billionairesworld's billionaires
Philip Anschutz: A Business Empire Built on Vision and Diversification
Philip Anschutz is one of the most successful and diversified businessmen in the United States, with a career spanning over five decades and...
