MaryAnn Tierney is the Regional Administrator for the U.S. Department of Homeland Security's Federal Emergency Management Agency, Region III office in Philadelphia. She was appointed to this position on August 30, 2010.
As Regional Administrator, she is responsible for coordinating FEMA’s emergency preparedness, mitigation, and disaster response and recovery activities in Delaware, the District of Columbia, Maryland, Pennsylvania, Virginia and West Virginia.
Prior to joining FEMA, Tierney served as Deputy Managing Director for Philadelphia’s Office of Emergency Management. From November 2006 through August 2010, she led the transformation of the city’s emergency preparedness program, focusing on developing operational emergency plans and conducting training and exercises for first responders. She also worked to build partnerships with the private sector and community organizations while increasing the public’s awareness of how to be prepared for emergencies.
Tierney spent more than seven years with the New York City Office of Emergency Management, having served as the Assistant Commissioner for Planning and Preparedness. During her years in New York, she directed a complete revision of the city’s Coastal Storm Plan, including redesigns of the evacuation and shelter strategies. A new system was developed, allowing for the evacuation and sheltering of individuals with special medical needs and pets.
Tierney has extensive experience coordinating complex emergency response operations in the field and at Emergency Operations Centers. She has managed more than 60 EOC activations in New York and Philadelphia and has coordinated on-scene response activities for large-scale emergencies. In the aftermath of the September 11, 2001, terrorist attacks, Tierney was responsible for coordinating the debris operation at the World Trade Center and the Fresh Kills Landfill. She oversaw New York City’s federal funding application for the reimbursement of response and recovery costs, which totaled more than $4.75 billion.
Tierney is a principal member of the National Fire Protection Association’s Technical Committee on Disaster/Emergency Management and Business Continuity Programs, NFPA 1600. She has served as an adjunct professor, teaching graduate-level courses on emergency preparedness.
She holds a Bachelor’s degree in Political Science from American University and a Master’s degree in Public Administration from New York University. She graduated from the Executive Leadership Program, Center for Homeland Defense and Security at the Naval Postgraduate School.