United Nations Executive and Leadership Team

August, 2026

Leadership Overview

United Nations has 10 executives leading key functions including strategy, global operations, human capital, financial oversight, and medical policy.

Committed to fostering global stability, United Nations maintains international peace and security while harmonizing the actions of nations to achieve sustainable cooperation across diverse geopolitical landscapes.

Leadership Roles at United Nations

  • Chief Executive Officer - Mayor Kumari
  • Chief Executive Officer & President - Kiran Kweon
  • President & Chief Executive Officer - Sahar (Ariti Sarah/Sarah) Almeshni
  • Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer - Airion Wilhite
  • Chief of Staff - Ken Lasiuk
  • Chief Human Resources Officer - Glenda Newton
  • Chief Human Resources Officer - Adrienne Palacios
  • Chief Finance Officer - Benito Vazquez
  • Chief Medical Officer - Jim Hodes
  • Chief People Officer - Andreas Kammerer
  • Mayor Kumari - Chief Executive Officer

    Mayor Kumari, the Chief Executive Officer at United Nations, directs the overarching strategic vision for maintaining international peace and security. By coordinating complex intergovernmental relations, Kumari ensures alignment with the core mission of harmonizing actions among member states. This leadership role involves managing high-level diplomatic initiatives that span global regions, requiring constant engagement with international stakeholders to resolve conflicts. Mayor Kumari also oversees the integration of humanitarian aid programs, ensuring resources reach areas of critical need efficiently. Through rigorous policy analysis and collaborative governance, the Chief Executive Officer drives the organization toward long-term stability. By optimizing operational frameworks, Kumari strengthens the capacity of the institution to address emerging global threats. Ultimately, the Chief Executive Officer secures the necessary consensus among diverse nations to uphold the foundational principles of the organization, fostering a unified approach to global challenges and promoting sustainable development across all member territories.

    Kiran Kweon - Chief Executive Officer & President

    Kiran Kweon, the Chief Executive Officer & President at United Nations, architects the strategic framework for developing friendly relations among nations. Overseeing the expansion of international cooperation, the Chief Executive Officer & President ensures that diplomatic channels remain open and effective across all continents. This role involves managing the administrative infrastructure that supports global peacekeeping missions, requiring precise coordination with regional representatives. Kiran Kweon also drives the implementation of multilateral agreements, focusing on economic and social progress to mitigate global instability. By facilitating dialogue between conflicting parties, the Chief Executive Officer & President maintains the integrity of the organization as a central hub for international discourse. Through consistent monitoring of global trends, Kweon adapts organizational policies to meet evolving security requirements. Ultimately, the Chief Executive Officer & President secures the operational continuity of the institution, ensuring that all diplomatic efforts align with the overarching goal of creating a secure and prosperous global environment.

    Sahar (Ariti Sarah/Sarah) Almeshni - President & Chief Executive Officer

    Sahar (Ariti Sarah/Sarah) Almeshni, the President & Chief Executive Officer at United Nations, manages the execution of large-scale international cooperation initiatives. By directing the alignment of member state actions, the President & Chief Executive Officer ensures that global security protocols remain robust and responsive to humanitarian crises. This leadership position involves overseeing the administrative departments that facilitate cross-border communication and resource allocation. Sahar (Ariti Sarah/Sarah) Almeshni also drives the development of long-term strategies aimed at preventing conflict through proactive diplomacy and economic support. By engaging with global leaders, the President & Chief Executive Officer fosters a collaborative atmosphere that prioritizes collective security over individual interests. Through meticulous oversight of organizational performance, Almeshni optimizes the delivery of essential services to vulnerable populations. Ultimately, the President & Chief Executive Officer secures the institutional effectiveness of the organization, ensuring that all efforts contribute directly to the maintenance of international peace and the promotion of global harmony.

    Airion Wilhite - Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer

    Airion Wilhite, the Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer at United Nations, coordinates the operational support systems required for high-level executive decision-making. By managing the logistical framework for global initiatives, the Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer ensures that leadership teams possess the data and resources necessary to maintain international peace. This role involves overseeing the integration of administrative processes across regional offices, facilitating seamless communication between global departments. Airion Wilhite also drives the implementation of efficiency protocols that streamline the response to international security threats. By aligning support functions with the broader mission of the organization, Wilhite enhances the overall impact of diplomatic missions. Through rigorous oversight of operational workflows, the Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer secures the stability of internal processes, allowing the organization to focus on its core mandate of fostering global cooperation.

    Ken Lasiuk - Chief of Staff

    Ken Lasiuk, the Chief of Staff at United Nations, directs the daily operations of the executive office to ensure alignment with the mission of maintaining international peace. By managing the flow of information between departments, the Chief of Staff facilitates rapid decision-making during global crises. This role involves coordinating the schedules and priorities of senior leadership, ensuring that all diplomatic efforts remain focused on core organizational objectives. Ken Lasiuk also drives the development of internal communication strategies that keep member nations informed of critical security updates. By overseeing the administrative staff, Lasiuk maintains the operational readiness of the executive team. Through careful management of resources and personnel, the Chief of Staff optimizes the efficiency of the organization. Ultimately, Lasiuk secures the strategic coherence of the institution, ensuring that every action taken by the leadership team supports the overarching goal of fostering friendly relations and international cooperation across all member states.

    Glenda Newton - Chief Human Resources Officer

    Glenda Newton, the Chief Human Resources Officer at United Nations, architects the talent acquisition and workforce development strategies necessary to support global peacekeeping operations. By managing a diverse international staff, the Chief Human Resources Officer ensures that the organization attracts experts capable of navigating complex diplomatic environments. This role involves overseeing the implementation of training programs that prepare personnel for deployment in various regions, focusing on cultural competency and conflict resolution. Glenda Newton also drives the development of policies that promote equity and inclusion within the workforce, reflecting the global nature of the institution. By optimizing performance management systems, Newton enhances the productivity of teams dedicated to international cooperation. Through consistent engagement with staff members, the Chief Human Resources Officer secures a high level of operational morale. Ultimately, Newton ensures that the human capital of the organization remains aligned with the mission of maintaining peace and security on a global scale.

    Adrienne Palacios - Chief Human Resources Officer

    Adrienne Palacios, the Chief Human Resources Officer at United Nations, manages the organizational culture and employee engagement initiatives that sustain the mission of international cooperation. By overseeing the recruitment of specialized personnel for humanitarian missions, the Chief Human Resources Officer ensures that the organization maintains a highly skilled workforce capable of addressing global challenges. This role involves developing compensation and benefits structures that attract top-tier talent from across the globe. Adrienne Palacios also drives the implementation of wellness and support programs for staff operating in high-stress environments, ensuring the long-term sustainability of the workforce. By fostering a collaborative work environment, Palacios strengthens the internal cohesion of the institution. Through rigorous analysis of workforce data, the Chief Human Resources Officer optimizes staffing levels to meet the evolving needs of the organization. Ultimately, Palacios secures the operational capacity of the institution by cultivating a dedicated and professional team committed to the maintenance of international peace.

    Benito Vazquez - Chief Finance Officer

    Benito Vazquez, the Chief Finance Officer at United Nations, directs the financial planning and resource allocation strategies that support global peacekeeping and humanitarian efforts. By managing the budget for international operations, the Chief Finance Officer ensures that funds are distributed efficiently to areas of critical need. This role involves overseeing the financial reporting processes that maintain transparency and accountability among member nations. Benito Vazquez also drives the development of investment strategies that protect the financial health of the organization during periods of global economic volatility. By coordinating with international financial institutions, Vazquez secures the necessary capital to fund long-term development projects. Through meticulous oversight of expenditures, the Chief Finance Officer optimizes the use of available resources to maximize the impact of diplomatic initiatives. Ultimately, Vazquez secures the financial stability of the institution, ensuring that the organization possesses the necessary means to fulfill its mandate of maintaining international peace and security.

    Jim Hodes - Chief Medical Officer

    Jim Hodes, the Chief Medical Officer at United Nations, architects the health and safety protocols that protect personnel deployed in diverse global regions. By overseeing the medical response strategies for humanitarian crises, the Chief Medical Officer ensures that the organization can effectively address health emergencies in conflict zones. This role involves coordinating with international health agencies to monitor disease outbreaks and implement preventative measures. Jim Hodes also drives the development of medical training programs for staff, ensuring that teams are prepared to handle health challenges in remote or unstable environments. By managing the supply chain for essential medical equipment, Hodes maintains the operational readiness of field teams. Through rigorous analysis of health data, the Chief Medical Officer optimizes the delivery of medical support to vulnerable populations. Ultimately, Hodes secures the well-being of the workforce, allowing the organization to continue its vital work of fostering international cooperation and maintaining global security.

    Andreas Kammerer - Chief People Officer

    Andreas Kammerer, the Chief People Officer at United Nations, directs the organizational development and leadership training initiatives that empower staff to achieve the mission of international peace. By overseeing the professional growth of the workforce, the Chief People Officer ensures that the organization remains agile and responsive to global changes. This role involves developing mentorship programs that cultivate the next generation of diplomatic leaders. Andreas Kammerer also drives the implementation of feedback mechanisms that allow staff to contribute to the strategic direction of the institution. By fostering a culture of continuous learning, Kammerer enhances the ability of the organization to solve complex international problems. Through careful management of organizational structure, the Chief People Officer optimizes the alignment of individual roles with the broader goals of the institution. Ultimately, Kammerer secures the long-term effectiveness of the organization by investing in the people who drive the mission of maintaining international peace and security.

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    Frequently Asked Questions Regarding United Nations Top Executives and Leadership Team

    Who leads United Nations?
    United Nations is led by Mayor Kumari (Chief Executive Officer), along with executives such as Kiran Kweon (Chief Executive Officer & President) and Sahar (Ariti Sarah/Sarah) Almeshni (President & Chief Executive Officer).
    Who is part of United Nations’s executive team?
    The executive team of United Nations includes leaders such as Mayor Kumari (Chief Executive Officer), Kiran Kweon (Chief Executive Officer & President), Sahar (Ariti Sarah/Sarah) Almeshni (President & Chief Executive Officer) and other senior executives.
    How many executives does United Nations have?
    United Nations has 10 executives leading key business areas.
    What roles are included in United Nations’s leadership team?
    The leadership team of United Nations includes roles such as Chief Executive Officer, Chief Executive Officer & President, President & Chief Executive Officer, Business Support Cos To Senior Executive & Global Beccs President & Chief Executive Officer, Chief of Staff.