Claude B. Pennington III was a trustee of the Irene W. & C.B. Pennington Foundation, which was established by his grandfather to support nonprofits that enriched the lives of people in Louisiana.

Mr. Pennington is a principal in Pennington Oil, the family energy business that originally funded his philanthropy work. He has a special interest in underwriting nonprofits and agencies that keep people safe and secure, with an emphasis on public safety and disaster relief. He also underwrites organizations that promote well-being and health, as well as sports and recreation for all people.