Edward Davis, LLC

Meet the Team

Stephen Ahern

Senior Trainer

Deputy Superintendent Ahern has been in Law Enforcement for over 30 years and is currently assigned as the Tactical Operations Commander for the Cambridge Police Department. Deputy Ahern has been a police trainer most of his career with certifications in firearms, use of force, counter-terrorism, special operations, counter IED operations, hazardous materials containment, critical incident management, incident command and threat analysis/risk assessment. Deputy Ahern coordinated the multi-agency UCC for the memorial service of MIT police officer Sean Collier, who was killed in the aftermath of the 2013 Boston Marathon bombings and represented Cambridge on the statewide Project Management Team for the Boston Marathon Bombings After-Action Report. He established and trained the department’s first K-9 explosive ordnance detection unit through the regional Urban Areas Security Initiative; and received federal accreditation for the Explosive Ordnance Unit. Deputy Ahern spent 17 years as team leader for the Special Response Team and then 7 years as the Bomb Squad Commander.

Deputy Ahern holds a Master’s and Bachelor’s Degree from Western New England University and is a graduate of the 239th session of the FBI National Academy. In 2009 he was selected to attend an internationally renowned counter-terrorism training session in Israel. He attended Harvard University Kennedy School of Government’s Executive Education Program and received certificates in the National Preparedness Leadership Initiative (NPLI) program as well as the Leadership in Homeland Security (LHS) Program. Deputy Ahern is a veteran of the United States Marine Corps as well as the Massachusetts Army National Guard.