Mark Holbrook

Mark started his Law Enforcement career in 1982 with the Los Angeles Sheriff’s Department. During his career, he worked Patrol, Gang Detective, Special Weapons Team, and Canine Handler with the Special Weapons Team. After retirement, he went to work for the Department of Homeland Security (DHS), Transportation Security Administration (TSA). In 2003, he graduated from the DHS Transportation Security Specialist-Aviation Security Inspector Program. As an Inspector, Mark conducted comprehensive inspections and investigations of air carriers, airport operators, and indirect air carriers, all-cargo carriers, to determine their security & compliance posture at nine regional airports.

In 2010, Mark joined K2 as a member of the Joint Expeditionary Team under a DoD contract with the Joint Improvised Explosive Device Defeat Organization (JIEDDO). From 2010-2021 his primary responsibilities included embedding with Soldiers and Marines in a combat environment to advise, observe, collect, analyze, and disseminate information on all aspects of C-IED and Counter‐Improvised Threat Operations. Mark has numerous combat deployments in Iraq, Afghanistan, and Africa. Mark brings a wealth of expertise in identifying and mitigating the IED threat. Mark maintains a Top-Secret SCI Security Clearance and is the Principal Security Coordinator for K2's 3PK9-C operations.