Mr. Greenwood’s Canadian visa is valid, and he remains in this country legally awaiting imminent delivery of his Green Card.” MARTA called the immigration process as extensive and has had an impact on Mr.

MARTA CEO Collie Greenwood has stepped down due to immigration and personal matters, the board announced Thursday.

Collie Greenwood has announced his early retirement from Metropolitan Atlanta Rapid Transit Authority (MARTA), where he spent the past six years, most recently as General Manager/CEO. MARTA Chief Customer Experience Officer Rhonda Allen is now serving in that role in an acting capacity.