Delphi Financial Group, Inc. is an investment advisor headquartered in Wilmington, Delaware. The firm is a subsidiary of Tokio Marine & Nichido Fire Insurance Co., Ltd., itself a subsidiary of Tokio Marine Holdings, Inc. (TYO: 8766) in Japan. Delphi Financial Group was founded by Robert Rosenkranz in 1987 and act as a financial holding firm focused on specialty insurance and insurance-related service businesses in North America.