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    Tedros reveals new WHO leadership without deputy Mike Ryan

    Most of Tedros' assistant directors-general are leaving, as well as Dr. Mike Ryan, his deputy director-general.

    By Jenny Lei Ravelo // 14 May 2025

    World Health Organization Director-General Tedros Adhanom Ghebreyesus announced Wednesday his new leadership team after weeks of anticipation.

    Tedros is letting go of most of his current assistant directors-general as well as his deputy, Dr. Mike Ryan.

    Dr. Chikwe Ihekweazu will replace Ryan as executive director of the health emergencies program, Dr. Yukiko Nakatani will become assistant director-general for health systems, and Raul Thomas will remain as assistant director-general for business operations and compliance.

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    Read more:

    ► As WHO lays off staff, why is transparency more crucial than ever? (Pro)

    ► Inside WHO's reforms: Progress, failures, and unfinished business 

    ► What you need to know about WHO’s 2026-2027 budget proposal

    • Global Health
    • Institutional Development
    • World Health Organization (WHO)
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    About the author

    • Jenny Lei Ravelo

      Jenny Lei Ravelo@JennyLeiRavelo

      Jenny Lei Ravelo is a Devex Senior Reporter based in Manila. She covers global health, with a particular focus on the World Health Organization, and other development and humanitarian aid trends in Asia Pacific. Prior to Devex, she wrote for ABS-CBN, one of the largest broadcasting networks in the Philippines, and was a copy editor for various international scientific journals. She received her journalism degree from the University of Santo Tomas.

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