Mary Ellen Callahan - Obama Presidency Oral History Back Mary Ellen Callahan Index / People Transcripts Janet Napolitano ...department, a chief privacy officer, Mary Ellen Callahan , and we also had our own Office o... Jane Lute ...about. Yes. You should interview Mary Ellen Callahan . She was just terrific as the privac... ...No, my pleasure. You should talk to Mary Ellen Callahan , Margo Schlanger, and all the othe... Related Topics go to the Transition Transition go to the Elections and Campaigns Elections and Campaigns go to the Arts and Humanities Arts and Humanities go to the Immigration Immigration go to the Sub-Saharan Africa Sub-Saharan Africa