U.S. Citizenship and Immigration Services Executive and Leadership Team

September, 2026

Leadership Overview

U.S. Citizenship and Immigration Services has 10 executives leading key functions including administrative strategy, information technology, asylum operations, and international refugee affairs.

Focused on maintaining the integrity of the national immigration system, U.S. Citizenship and Immigration Services delivers essential services for naturalization, asylum, and visa processing while ensuring regulatory compliance across North America.

Leadership Roles at U.S. Citizenship and Immigration Services

  • Senior Executive - Chief Operating Officer - Roger Brown
  • Chief of Staff - Aileen Masterson
  • Chief Information Officer - Andrew Vanjani
  • Asylum Office Chief of Staff (Arlington) - Jared Espenschied
  • Chief of Staff, District 41 - Ryan David
  • Refugee, Asylum & International Operations Chief of Staff - Katherine French
  • Chief of Staff - International and Refugee Affairs Division - Andrew Loizeaux
  • Associate Chief of Staff - Kelly Gilmore
  • Deputy Chief of Staff - Timothy Kaiser
  • Deputy Chief of Staff - Tracie Barone
  • Roger Brown - Senior Executive - Chief Operating Officer

    Roger Brown, the Senior Executive - Chief Operating Officer at U.S. Citizenship and Immigration Services, oversees the comprehensive operational framework of the agency. Brown directs the execution of large-scale immigration programs, ensuring that all service centers and field offices operate with maximum efficiency. By managing the logistical aspects of benefit processing, the Senior Executive - Chief Operating Officer aligns agency activities with federal mandates and strategic goals. Roger Brown coordinates with other executive leaders to optimize the delivery of naturalization, asylum, and visa services across North America. This role involves the continuous assessment of operational workflows to identify opportunities for process improvement and cost reduction. Through rigorous oversight of agency infrastructure, the Senior Executive - Chief Operating Officer ensures that all departments maintain high performance standards. Brown drives organizational growth by implementing scalable solutions that allow the agency to handle increasing application volumes while upholding the highest levels of accuracy and public trust.

    Aileen Masterson - Chief of Staff

    Aileen Masterson, the Chief of Staff at U.S. Citizenship and Immigration Services, directs high-level administrative operations and coordinates cross-departmental initiatives. Masterson manages the flow of critical information to the agency leadership, ensuring alignment with federal immigration mandates. By overseeing internal communications and policy implementation, the Chief of Staff facilitates efficient decision-making processes across the organization. Aileen Masterson maintains rigorous standards for operational excellence, supporting the agency mission to process immigration benefits accurately. This role involves constant collaboration with various divisions to resolve complex administrative challenges. Through strategic oversight, the Chief of Staff optimizes resource allocation and strengthens the overall effectiveness of the agency. Masterson drives organizational stability by streamlining workflows and fostering inter-departmental cooperation, ultimately ensuring that the agency meets its public service obligations while adhering to strict federal regulations and evolving immigration policies.

    Andrew Vanjani - Chief Information Officer

    Andrew Vanjani, the Chief Information Officer at U.S. Citizenship and Immigration Services, architects the digital infrastructure necessary for modernizing immigration benefit processing. Vanjani oversees the development and maintenance of secure online filing systems, case status tracking platforms, and internal data management tools. By driving the digital transformation of agency services, the Chief Information Officer enhances accessibility for applicants while maintaining robust cybersecurity protocols. Andrew Vanjani manages large-scale technology projects that support the agency mission across North American operations. This leadership role requires constant coordination with federal stakeholders to ensure that technological solutions remain compliant with evolving government standards. Through the implementation of advanced data analytics, the Chief Information Officer improves operational efficiency and reduces processing backlogs. Vanjani secures the integrity of sensitive immigration records, providing the technological foundation required for the agency to deliver reliable, transparent, and efficient services to the public.

    Jared Espenschied - Asylum Office Chief of Staff (Arlington)

    Jared Espenschied, the Asylum Office Chief of Staff (Arlington) at U.S. Citizenship and Immigration Services, manages the daily operational requirements of the asylum processing division. Espenschied coordinates the scheduling of interviews, the distribution of caseloads, and the administrative support necessary for adjudicating complex asylum claims. By overseeing the internal logistics of the Arlington office, the Asylum Office Chief of Staff (Arlington) ensures that all procedures align with federal immigration law and agency policy. Jared Espenschied facilitates communication between adjudicators and management to maintain consistent decision-making standards. This role involves monitoring regional performance metrics to identify bottlenecks in the asylum process. Through meticulous oversight of office resources, the Asylum Office Chief of Staff (Arlington) supports the timely resolution of humanitarian applications. Espenschied drives operational improvements that enhance the capacity of the agency to handle sensitive refugee and asylum cases with precision and professional integrity.

    Ryan David - Chief of Staff, District 41

    Ryan David, the Chief of Staff, District 41 at U.S. Citizenship and Immigration Services, directs the administrative and operational functions within the specific jurisdiction of District 41. David oversees the implementation of agency policies at the local level, ensuring that immigration benefit applications receive consistent and timely processing. By coordinating with field office leadership, the Chief of Staff, District 41 manages the allocation of personnel and resources to meet regional demand. Ryan David monitors performance indicators to ensure that all district activities comply with federal regulations and agency directives. This leadership role involves resolving operational challenges that arise during the adjudication of naturalization and visa applications. Through proactive management, the Chief of Staff, District 41 maintains high standards of service delivery for the public. David drives regional efficiency by fostering collaboration among staff members and ensuring that all district operations support the broader mission of the agency.

    Katherine French - Refugee, Asylum & International Operations Chief of Staff

    Katherine French, the Refugee, Asylum & International Operations Chief of Staff at U.S. Citizenship and Immigration Services, coordinates the administrative functions of the agency international and humanitarian divisions. French oversees the logistical support for refugee processing and international immigration initiatives, ensuring that all operations adhere to global and domestic policy requirements. By managing the internal communications and strategic planning for these specialized units, the Refugee, Asylum & International Operations Chief of Staff facilitates the effective delivery of humanitarian benefits. Katherine French collaborates with international partners and internal stakeholders to streamline the adjudication of refugee status and asylum claims. This role involves monitoring the performance of international offices to ensure consistent application of immigration regulations. Through diligent oversight, the Refugee, Asylum & International Operations Chief of Staff supports the agency mission to provide protection and legal status to eligible individuals, driving operational success across diverse global environments.

    Andrew Loizeaux - Chief of Staff - International and Refugee Affairs Division

    Andrew Loizeaux, the Chief of Staff - International and Refugee Affairs Division at U.S. Citizenship and Immigration Services, manages the administrative and strategic operations of the division responsible for international immigration matters. Loizeaux oversees the coordination of refugee processing programs and international outreach efforts, ensuring that all activities align with federal immigration policy. By directing the internal workflows of the division, the Chief of Staff - International and Refugee Affairs Division supports the efficient adjudication of international benefit applications. Andrew Loizeaux facilitates communication between the division and other agency departments to ensure a unified approach to humanitarian services. This role involves analyzing operational data to improve the delivery of refugee and international programs. Through proactive management, the Chief of Staff - International and Refugee Affairs Division maintains the integrity of the immigration system while addressing the complex needs of international applicants and ensuring that all agency objectives are met with precision.

    Kelly Gilmore - Associate Chief of Staff

    Kelly Gilmore, the Associate Chief of Staff at U.S. Citizenship and Immigration Services, supports the executive leadership team in managing the daily administrative and operational functions of the agency. Gilmore assists in the coordination of cross-departmental projects, ensuring that all initiatives align with the strategic goals of the organization. By overseeing the preparation of briefings and reports, the Associate Chief of Staff facilitates informed decision-making for senior management. Kelly Gilmore monitors the progress of key agency programs, identifying potential issues and implementing solutions to maintain operational momentum. This role involves fostering collaboration across various divisions to ensure that immigration benefit processing remains efficient and compliant with federal regulations. Through diligent support of the executive office, the Associate Chief of Staff drives organizational effectiveness. Gilmore ensures that all administrative processes are executed with accuracy, supporting the agency mission to provide reliable and transparent services to the public.

    Timothy Kaiser - Deputy Chief of Staff

    Timothy Kaiser, the Deputy Chief of Staff at U.S. Citizenship and Immigration Services, assists in the management of agency-wide administrative operations and strategic planning. Kaiser oversees the implementation of internal policies and coordinates the efforts of various departments to ensure that immigration benefit processing remains consistent and efficient. By supporting the Chief of Staff, the Deputy Chief of Staff facilitates the execution of high-priority projects and ensures that all agency activities align with federal mandates. Timothy Kaiser monitors operational performance across the organization, identifying areas for improvement and driving the adoption of best practices. This role involves managing complex administrative tasks and fostering communication between different levels of the agency. Through proactive leadership, the Deputy Chief of Staff maintains organizational stability and supports the agency mission to provide high-quality services to applicants. Kaiser ensures that all operational objectives are met with precision, contributing to the overall success of the immigration system.

    Tracie Barone - Deputy Chief of Staff

    Tracie Barone, the Deputy Chief of Staff at U.S. Citizenship and Immigration Services, focuses on the optimization of internal administrative processes and the management of agency resources. Barone oversees the development of operational guidelines that support the efficient adjudication of immigration applications. By coordinating with various divisions, the Deputy Chief of Staff ensures that all departments have the necessary support to meet their performance targets. Tracie Barone manages the flow of information within the executive office, facilitating clear communication and strategic alignment across the agency. This role involves analyzing operational data to identify trends and implementing solutions that enhance service delivery. Through diligent oversight, the Deputy Chief of Staff maintains the integrity of the immigration system and ensures that all agency activities comply with federal regulations. Barone drives organizational efficiency by streamlining workflows and fostering a culture of accountability, ultimately supporting the agency mission to provide reliable and accessible immigration services.

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    Frequently Asked Questions Regarding U.S. Citizenship and Immigration Services Top Executives and Leadership Team

    Who leads U.S. Citizenship and Immigration Services?
    U.S. Citizenship and Immigration Services is led by Roger Brown (Senior Executive - Chief Operating Officer), along with executives such as Aileen Masterson (Chief of Staff) and Andrew Vanjani (Chief Information Officer).
    Who is part of U.S. Citizenship and Immigration Services’s executive team?
    The executive team of U.S. Citizenship and Immigration Services includes leaders such as Roger Brown (Senior Executive - Chief Operating Officer), Aileen Masterson (Chief of Staff), Andrew Vanjani (Chief Information Officer) and other senior executives.
    How many executives does U.S. Citizenship and Immigration Services have?
    U.S. Citizenship and Immigration Services has 10 executives leading key business areas.
    What roles are included in U.S. Citizenship and Immigration Services’s leadership team?
    The leadership team of U.S. Citizenship and Immigration Services includes roles such as Senior Executive - Chief Operating Officer, Chief of Staff, Chief Information Officer, Asylum Office Chief of Staff (Arlington), Chief of Staff, District 41.