*Prior to his position at DHS, Dr. Griffin served as Director of Environmental Services for Arlington County Virginia. Before this position, he was appointed the first Director of the Arlington County Office of Emergency Management, where he developed a cross-functional department consisting of emergency management, law enforcement, fire/rescue, public health, and emergency communications personnel. As the Director of Emergency Management, he managed the integration of the County's emergency management functions and emergency communications functions into a single department.
Prior to his time in Arlington, Dr. Griffin also served as Assistant County Administrator and Chief of Fire and Rescue in Loudoun County, Virginia, where he led the County's fire, rescue, bomb squad, emergency communications, and emergency management functions. He ran the Loudoun emergency operations center during the response to the 9/11/2001 attack on the Pentagon and the anthrax attack on the Dulles Postal Facility. He was also the Executive Administrator of the Town of Tyngsborough and Town Administrator in Townsend, Massachusetts. On top of all these accomplishments, he is also a certified fire fighter and fire officer.