Brian DeMore


Brian DeMore is a Principal of US Advisors and an accomplished law enforcement professional with over 25 years experience directing immigration, customs and intelligence programs in the Department of Homeland Security and Department of Justice, including U.S. Immigration and Customs Enforcement, working closely with the U.S. Citizenship and Immigration Services, and U.S. Customs and Border Protection. Brian is a proven leader whose expertise in the Federal Government spans domestic and international law enforcement, homeland security, intelligence, immigration, border security, detention, and criminal targeting operations.

Brian has always prioritized data, analytics and technology as key tools for building strategy, transforming operations and meeting strategic and mission goals. During his lengthy Federal Government career, Brian served in many high-profile and senior roles in the legacy Immigration and Naturalization Service and Immigration and Customs Enforcement. He has worked on innumerous complex criminal investigations and led targeting operations, arrests and prosecutions in human smuggling, fraud, immigration and terrorism cases.

As U.S. Immigration and Customs Enforcement, Enforcement and Removal Operations Director for the Los Angeles Field Office, he managed all aspects of operations, coordinated the activities of hundreds of law enforcement officers and support personnel, and administered an annual budget exceeding $100 million.

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855-878-7282 ext. 700

Timothy Robbins


Timothy Robbins is a highly accomplished law enforcement professional with over 30 years of federal government experience, including 10 years as a member of the Senior Executive Service. Tim is a dynamic, results-driven leader with extensive experience in intelligence analysis, targeting, security sector and border management, physical security and transportation. Tim’s mission and operational expertise is complemented by an aptitude for strategic planning, technology transformation, and data-driven analytics, as well as a propensity to creatively problem solve and innovate.

Tim previously served as the Deputy Assistant Director for the Targeting Operations Division, Enforcement and Removal Operations (ERO), U.S. Immigration and Customs Enforcement (ICE), Department of Homeland Security (DHS). In this role, he oversaw three national targeting centers which provide 24/7/365 response to millions of requests for information submitted by federal, state, local and international law enforcement partners. The centers also deliver analytical insights and thousands of robust lead products to over 6,000 ERO law enforcement officers across the country.

Tim has served in many other high profile and senior roles within the government, to include acting Executive Associate Director (EAD) for ERO. During his tenure as EAD, Tim administered a budget of approximately $4.4 billion and led programs and activities for more than 7,900 employees at 24 ERO field offices and headquarters, including over 200 domestic locations and 25 overseas locations.

Prior to assuming his current position of Principal at US Advisors, Tim held a number of key leadership positions within ICE to include: Deputy Executive Associate Director for ERO; Los Angeles Field Office Director; Los Angeles Field Intelligence Director; Deputy Chief of Staff, ICE Office of the Assistant Secretary; ERO Chief of Staff; Acting Deputy Assistant Director, Criminal Alien Division; and Acting Chief of the Secure Border Initiative.

Tim served in the United States Army as an Aviation Crew Chief and holds a Bachelor of Science in Criminal Justice. He also completed the Homeland Security Executive Seminar on Crisis Leadership at Harvard University’s Kennedy School.

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855-878-7282 ext. 703

David Marin

Director of Operations

David Marin has over 26 years of federal law enforcement experience gained through an incredibly diverse and accomplished career. He advanced through the ranks from Police Officer at the U.S. Veterans Administration in Los Angeles, California to management and executive leadership roles in the Department of Homeland Security/Immigration and Customs Enforcement. Dave’s vast expertise encompasses border security, domestic and international operations, counterterrorism, fugitive operations and targeting, visa security, custody management and transportation.

Dave has vital operational and logistical expertise and deep, nuanced understanding of mission challenges and opportunities. During his career, Dave served as a Deportation Officer, Supervisory Special Agent, Resident Agent in Charge, ICE Attaché, Assistant Field Office Director, Deputy Field Office Director, and Field Office Director. He oversaw in-custody and at-large operations, large teams and task forces, and skillfully represented the agency to stakeholders at conferences and national media events.

Dave most recently served as U.S. Immigration and Customs Enforcement, Enforcement and Removal Operations Director for the Los Angeles field office, overseeing operations and administration for 504 personnel and an annual budget of over $100 million dollars. David also previously served as the Acting Deputy Executive Associate Director for ERO, where he directed planning and programming activities for approximately 8,000 employees and administered a budget of $4.2 billion.

Dave served proudly as a member of the U.S. Marine Corps from 1987-1991. He is a member of the Senior Executive Service.

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855-878-7282 ext. 701