Its responsibilities include:

  • mobilising resources to fund programmes;
  • coordinating programme approvals and disbursements;
  • developing policy and implementing strategic initiatives;
  • monitoring and evaluation;
  • legal and financial management; and
  • and administration for the Gavi Alliance Board and Committees.


Secretariat leadership

Dr Sania Nishtar

Chief Executive Officer (CEO)

Pascal Barollier

Chief Engagement & Information Officer

Lucy Elliott

Managing Director, Audit & Investigations

Thabani Maphosa

Managing Director, Country Programmes Delivery

David Marlow

Chief Operating Officer

Laura McKeaveney

Chief People & Experience Officer

Aurélia Nguyen

Chief Programme Officer

Marie-Ange Saraka-Yao

Chief Resource Mobilisation & Growth Officer

Derrick Sim

Managing Director, Vaccine Markets & Health Security

Johannes Ahrendts

Director, Strategy, Funding & Performance

Hannah Burris

Chief of Staff

Hope Johnson

Director, Measurement, Evaluation & Learning

Brenda Killen

Director, Governance

Maria Thestrup

General Counsel (ad int) and Chief Ethics, Risk & Compliance Officer

Last updated: 18 Mar 2024

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