The Chicago Transit Authority announced Wednesday that chief of staff Nora Leerhsen will take over as acting president of the transit agency when current President Dorval Carter Jr. retires at the end of the month.

CTA chief of staff Nora Leerhsen will be the interim president of the CTA, taking over after Dorval Carter’s retirement at the end of January. She will, for now, take on leadership of an agency that has faced rampant complaints from riders in recent years,

Outgoing Chicago Transit Authority President Dorval Carter capped his nearly 10-year run leading the massive agency at a board meeting Wednesday, saying he’d be “forever grateful for this opportunity to serve our customers (and) the people of the city of Chicago.