Karen Weldin Stewart was elected in 2008 and re-elected in 2012 as the 25th insurance commissioner in Delaware history. In 2014, the most recent data available, the Delaware Department of Insurance ranked 10th in the U.S. in total written insurance premium, and regulated companies with more than $620 billion in assets. The DOI is the largest consumer protection agency in the state.

Commissioner Stewart's Delaware roots go back to the 1600's when her Quaker ancestors immigrated to America. Commissioner Stewart was reared in Claymont and is the daughter of the late Walter J. Weldin and Concepcion Fernandez Weldin. She is a graduate of Claymont High School and Brandywine College.

In 1991, Commissioner Stewart founded the International Association of Insurance Receivers (IAIR) and was elected three times as President. She received her Certification for Insurance Receiver, Multiple Lines in 1995 (CIR-ML).

Commissioner Stewart currently serves on 37 task forces, working groups, and committees of the National Association of Insurance Commissioners (NAIC), including the prestigious Accreditation Committee. She also serves on numerous NAIC supervisory colleges, which facilitate over-sight of internationally active insurance companies. She currently serves on four state committees: the Delaware Health Care Commission, the State Employee Benefits Committee, the Deferred Compensation Council, and the Council on Health Promotion and Disease Prevention.