Management Sciences for Health Executive and Leadership Team

July, 2026

Leadership Overview

Management Sciences for Health has 5 executives leading key functions including strategy, operations, finance, medical affairs, and corporate finance.

Driven by a commitment to global health equity, Management Sciences for Health works with countries and communities to build resilient health systems, ensuring affordable and accessible healthcare for all.

Leadership Roles at Management Sciences for Health

  • President & Chief Executive Officer - Marian Wentworth
  • Controller & Chief Financial Officer - Dianna O'Sullivan
  • Manager, Corporate Finance (Office & Chief Financial Officer - Amanda Chan
  • Chief Operating Officer - Deborah Hutchison
  • Chief Medical Officer - Daniel Schwarz
  • Marian Wentworth - President & Chief Executive Officer

    Marian Wentworth, the President & Chief Executive Officer at Management Sciences for Health, directs the organization's overarching strategy and global operations. Wentworth spearheads initiatives to strengthen health systems in low-resource settings, ensuring the delivery of affordable and accessible healthcare. This leadership role involves guiding the organization's mission to partner with countries and communities, fostering sustainable health improvements. Wentworth's strategic vision drives the expansion of programs that address critical public health challenges worldwide. The President & Chief Executive Officer ensures alignment with the core values of Management Sciences for Health, focusing on impactful health outcomes and long-term system resilience. Marian Wentworth's executive oversight is crucial for navigating complex global health landscapes and securing the organization's continued success in improving lives.

    Dianna O'Sullivan - Controller & Chief Financial Officer

    Dianna O'Sullivan, the Controller & Chief Financial Officer at Management Sciences for Health, directs all financial operations and fiscal strategy for the non-profit organization. O'Sullivan is responsible for financial planning, budgeting, accounting, and ensuring compliance with all relevant financial regulations. This critical role involves managing the organization's financial health to support its mission of improving healthcare systems globally. The Controller & Chief Financial Officer oversees the allocation of resources to maximize impact in communities served. O'Sullivan's expertise ensures the financial sustainability of programs aimed at making healthcare affordable and accessible. Dianna O'Sullivan's diligent financial management underpins the organization's ability to operate effectively and achieve its ambitious health objectives.

    Amanda Chan - Manager, Corporate Finance (Office & Chief Financial Officer

    Amanda Chan, the Manager, Corporate Finance (Office & Chief Financial Officer at Management Sciences for Health, supports the strategic financial direction and operational finance functions of the organization. Chan contributes to financial analysis, reporting, and the management of corporate financial activities, working closely with the Chief Financial Officer. This role is integral to maintaining the financial integrity and operational efficiency of Management Sciences for Health. Chan's responsibilities include supporting budget development and monitoring financial performance to ensure resources are effectively utilized for global health initiatives. The Manager, Corporate Finance (Office & Chief Financial Officer) ensures that financial processes align with the organization's mission to improve healthcare accessibility. Amanda Chan's contributions are essential for the sound financial management that enables the organization's impactful work.

    Deborah Hutchison - Chief Operating Officer

    Deborah Hutchison, the Chief Operating Officer at Management Sciences for Health, manages the day-to-day operational execution of the organization's global health programs. Hutchison oversees the implementation of strategies designed to enhance the efficiency and effectiveness of health systems across various countries. This involves coordinating diverse teams and resources to ensure seamless program delivery and adherence to organizational standards. The Chief Operating Officer plays a vital part in optimizing operational workflows and driving continuous improvement in service provision. Hutchison's focus remains on building robust operational frameworks that support Management Sciences for Health's mission of making healthcare affordable and accessible. Deborah Hutchison's leadership ensures that the organization's extensive network functions cohesively to achieve significant public health impact.
    Deborah Hutchison

    Daniel Schwarz - Chief Medical Officer

    Daniel Schwarz, the Chief Medical Officer at Management Sciences for Health, provides critical medical and public health expertise to guide the organization's programmatic efforts. Schwarz leads the development and implementation of evidence-based health strategies, ensuring that all initiatives align with best medical practices and address significant health challenges. This role is pivotal in shaping the clinical direction of programs aimed at strengthening health systems and improving patient outcomes. The Chief Medical Officer collaborates with country teams and partners to enhance the quality and accessibility of healthcare services. Schwarz's medical leadership ensures that Management Sciences for Health's interventions are both effective and responsive to community needs. Daniel Schwarz's deep understanding of global health issues is fundamental to the organization's success in making healthcare affordable and accessible.

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    Frequently Asked Questions Regarding Management Sciences for Health Top Executives and Leadership Team

    Who leads Management Sciences for Health?
    Management Sciences for Health is led by Marian Wentworth (President & Chief Executive Officer), along with executives such as Dianna O'Sullivan (Controller & Chief Financial Officer) and Amanda Chan (Manager, Corporate Finance (Office & Chief Financial Officer).
    Who is part of Management Sciences for Health’s executive team?
    The executive team of Management Sciences for Health includes leaders such as Marian Wentworth (President & Chief Executive Officer), Dianna O'Sullivan (Controller & Chief Financial Officer), Amanda Chan (Manager, Corporate Finance (Office & Chief Financial Officer) and other senior executives.
    How many executives does Management Sciences for Health have?
    Management Sciences for Health has 5 executives leading key business areas.
    What roles are included in Management Sciences for Health’s leadership team?
    The leadership team of Management Sciences for Health includes roles such as President & Chief Executive Officer, Controller & Chief Financial Officer, Manager, Corporate Finance (Office & Chief Financial Officer, Chief Operating Officer, Chief Medical Officer.