The Metropolitan Atlanta Rapid Transit Authority (MARTA) has found an interim general manager and CEO to lead nation’s ninth largest multimodal transportation agency.

Elizabeth O’Neill, a 22-year MARTA veteran who currently serves as Chief Legal Counsel, will succeed Keith T. Parker, who is stepping down from the post he has held for nearly five years to take over management of Goodwill of North Georgia.

“One of Keith Parker’s many strengths has been his ability to assemble a world class…