Detailed for their service station enterprise in Maryland.

: Providing critical funding for investigative journalism.

Koo and Patricia Yuen are perhaps best known for their extensive charitable work, much of which is funneled through . Public Broadcasting (PBS)

In 1973, the couple opened their first gas station. Over the decades, they expanded this into a successful chain of service stations across the Washington DC-Baltimore area .

The Yuens’ story is a classic example of the "American Dream," marked by immigration and entrepreneurial success.