Which individual serves as the Illinois Secretary of State?

D. Jesse White serves as the Illinois Secretary of State. This position is a critical one in the state government, responsible for a range of functions including overseeing the state's vehicle registration and driver licensing, maintaining official state records, and managing the state's digital services and libraries. Jesse White has held this office since 1999 and is known for his significant contributions to improving various services within the Secretary of State's office and implementing programs aimed at enhancing public safety and access to information.

While other individuals mentioned in the options hold or have held significant offices—such as Julianna Stratton, who serves as the Lieutenant Governor, Kwame Raoul, the Attorney General, and Mark Eckert, who has been a local official—they are not the Illinois Secretary of State. Each of these positions has its unique responsibilities within the state government but does not encompass the role specifically associated with the Secretary of State.