She served on the staff of the 2005 Panel on the Nonprofit Sector convened by Independent Sector to help strengthen transparency, governance, and accountability of charitable organizations. Prior to practicing law, she coordinated exhibitions for the Smithsonian Institution Traveling Exhibition Service and worked in the legal offices of the National Gallery of Art and the American Institute of Architects. Oldak has held leadership roles on numerous nonprofit boards and commissions, including the Alexandria (VA) Commission for the Arts and the Montgomery County (MD) Commission for Women. She is currently president of Montgomery Women, an organization whose mission is to advance women to leadership positions in all sectors. She is a graduate of Smith College and the Georgetown University Law Center.