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 CEO & 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. In November 2021, Tim was notified to be a recipient of the FY2021 Meritorious Executive Presidential Rank Award (PRA) for exceptional performance while he served as an SES.

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

Brian DeMore


Brian DeMore is the founder 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.

Brian’s leadership experience includes roles such as the Director of the Los Angeles Field Office for U.S. Immigration and Customs Enforcement, Enforcement and Removal Operations; Attache for Homeland Security Investigations overseeing the European Union; and Director of the ICE Pacific Enforcement Response Center. Following retirement from federal service, Brian also had a successful two year journey as a Senior Manager for a large consulting firm prior to founding US Advisors.

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855-878-7282 ext. 700

Kishore Radhakrishnan

Chief Operating Officer

Kishore Radhakrishnan is an industry-recognized management consultant with 10 years of experience supporting U.S. Government, State, Local, and commercial clients with innovative solutions addressing mission challenges. Kishore currently leads small and large-scale business development, strategic technology projects and alliances, and operational elements for US Advisors out of their corporate office in Irvine, CA.

Prior to this, Kishore led client-facing teams at a large consulting firm where he enjoyed managing outcomes for executives across a variety of industries. Kishore started his career in consulting primarily supporting the Department of Homeland Security (DHS) where he accelerated outcomes for agencies such as the Transportation Security Administration (TSA), U.S. Citizenship and Immigration Service (USCIS), Customs and Border Protection (CBP), DHS Science and Technology (S&T), DHS Intelligence & Analysis (I&A), among others. Kishore grew more experience in the software development lifecycle, information management and data analytics, systems and intelligence analysis, robotic process automation, technology scouting, public-private partnerships, early-lifecycle investments, CONOPS and strategy development, cost estimating, and cognitive sciences.

In 2017, Kishore was re-located to Los Angeles as the Chief of Staff where he supported initial growth in the Federal sector for his prior employer. In this role, Kishore successfully helped grow a practice by more than 300% by leading key efforts such as recruiting, onboarding, training, and deployment of over 75 consultants across Southern California. From this experience, Kishore also gained fluency in advanced financial management, proposal pricing, contracts/subcontracts management, and led teaming and strategic partnerships with nearly 50 organizations across all socioeconomic categories, sizes, and industries. Kishore always draws energy from solving client challenges, and simultaneously managed relationships with senior Department of Defense personnel at the US Air Force (then transitioning command aspects to the US Space Force) with a focus on ground systems, launch systems, and space systems.

Kishore has led client service delivery in Southern California for a myriad of organizations ranging from U.S. Immigration and Customs Enforcement (ICE), the State of California, the County of Los Angeles, the Federal Bureau of Investigations/ Department of Justice, and LAX International Airport. Kishore is an experienced solutions provider in the national security, public safety, and humanitarian space and has worn hats in the technical space both as a Mission Systems Engineer and in the business space as a season program manager.

Kishore graduated with three bachelor’s degrees in Finance, International Business, and Government and Politics (with a focus on counterterrorism) from the University of Maryland – College Park. He holds a minor in Technology Entrepreneurship from Mtech, several FEMA certifications, and an ITIL v3 certification.

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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

Jeffrey Lynch

Program Manager

Jeffrey Lynch retired from the Department of Homeland Security, Immigration and Customs Enforcement, Enforcement and Removal Operations (DHS/ICE/ERO) after a distinguished career spanning over 30 years. Jeff’s operational and leadership skills are complimented by his analytical, insightful, and highly disciplined critical thinking and problems solving skills, servant leadership nature, and aptitude for communicating at all levels.

Jeff previously served at the DHS ICE ERO Headquarters level as the Deputy Assistant Director, International Operations Division. In this role, he managed all ERO attachés globally and navigated ERO’s removal mission to various countries around the world during the peak of the COVID-19 pandemic and fast-changing international travel requirements. He also served on a high-profile team negotiating bilateral agreements with foreign governments to advance the US Government’s overseas interests and policies supporting law enforcement and national security.

Prior to joining US Advisors, Jeff held several key leadership positions leading programs, managing large budgets, and drafting policies with national scope, including Senior Advisor, DHS Office of Immigration Detention Ombudsman (OIDO), and Field Office Director in Denver, Colorado, and several tours as Acting Deputy Assistant Director and Assistant Director in ICE ERO enforcement programs. During his thirty-year career, Jeff has developed a solid reputation for successfully and efficiently managing numerous concurrent projects through all project phases from conception through completion within budget, on schedule, and within the established scope, briefing senior government leaders, and representing the US government to external stakeholders.

Jeff is a veteran of the United States Navy and holds a Bachelor of Science Degree from Chaminade University of Honolulu and a Master’s Degree in Criminal Justice Administration and Organizational Learning from Colorado State University. He is also a Certified Project Management Professional (PMP) and maintains a top-secret security clearance, sensitive compartmented information (TS-SCI)