Emergency Management

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A.J. Mumm, CEM®, Director

In September 2004, the Polk County Emergency Management Commission appointed A.J. Mumm to lead the countywide agency responsible for preparing for, responding to, and recovering from natural and man-made disasters.  He originally began his service with the Polk County Emergency Management Agency in January 1999 as a disaster mitigation planner and went on to join the State of Iowa’s Homeland Security and Emergency Management Division in July 2001 where he was eventually promoted to the position of Chief Planner. 

Mumm, a graduate of Drake University (BA – Biology and Geography) and Iowa State University (Master of Community and Regional Planning), is also an alumnus of the 2005 Greater Des Moines Leadership Institute’s Transformational Leadership Program.  He has taught as an Adjunct Instructor at Drake University, Des Moines Area Community College, and Texas A&M University’s Engineering Extension Service (TEEX).  

He has been published and regularly speaks on the topics of hazard analysis and risk assessment, critical asset protection, and comprehensive emergency planning.  A.J. is a recipient of the 2008 Iowa State Association of Counties’ Individual Excellence Awards for Polk County’s response to the severe weather and flooding of 2008.  Mumm is a Past-President of the Iowa Emergency Management Association and serves as Past-Chair of the Board of Directors for the Safeguard Iowa Partnership; a public-private partnership focused on disaster preparedness, response, and recovery. He currently serves on the Iowa State Association of Counties Board of Directors.

Mumm is a Certified Emergency Manager through the International Association of Emergency Managers.  He is also a part-time Firefighter/EMT with the Ankeny Fire Department.  A native of Westside, Iowa, A.J. and his wife Sabetha live in Ankeny, Iowa with their two young children and enjoy sports, boating, outdoor recreation, and travel.

Jon Davis, Deputy Director

Jon joined the Polk County Emergency Management Agency November 23, 2009 in the capacity of Deputy Director. He had been previously employed at the Des Moines Police Department for the past 12 years, most recently as the Homeland Security Training and Operations Coordinator. Prior to that, Jon worked as a 9-1-1 Telecommunicator for the Des Moines Police Department, Iowa State Patrol, and Ankeny Police Department. Since 2003, he has been a Communications Specialist in FEMA’s Urban Search and Rescue (US&R) Program. His US&R responses with Nebraska Task Force 1 include Hurricanes Katrina, Dean, Dolly, Gustav and Ike.

Samantha Brear, Program Specialist

Samantha joined the Polk County Emergency Management Agency October 3rd, 2011. Samantha, a graduate of the University of Leeds, England (BA Hons-Geography) and the American Public University (MA Hons-Emergency Management) is originally from California. She had previously volunteered with the American Red Cross as a Disaster Action Team Member responding to multiple house fires in San Francisco. As well as interning with the City of Oakland and working as an independent contractor on their emergency management plans, Samantha worked as a contractor for Wakefield Brunswick Management Consulting that provide healthcare emergency preparedness and related emergency management services throughout the US.

Franny Medeiros, Administrative Assistant

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Contact Us

Polk County Emergency Management
1907 Carpenter Avenue
Des Moines, IA 50314
(515) 286-2107

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