Granholm has long been interested in energy issues and was considered one of the main candidates for energy secretary if Hillary Clinton had won in 2016.
Granholm served for two terms as governor of Michigan and was elected for the first time in 2002. She was the first woman to be elected governor of the state, and in 2006 she was elected with the highest number of votes ever cast for the state at that time. according to its biography page on the state’s official website.
Before being elected governor, Granholm was elected state attorney general in 1998 and was also the first woman to hold that position.
Granholm is a former CNN contributor.
This story was updated with further developments on Thursday.