Our organization

Our people are key to our success. Our committed workforce of some 110 employees from more than 40 countries is responsible for finding new and innovative ways to prevent, diagnose and treat diseases more quickly, effectively and affordably.

Their efforts are supported by our Executive Board, the decision-making body of the organization, which provides strategic guidance, monitors progress and oversees the finances.

Find out more about how Unitaid is governed.

The secretariat
Led by Executive Director Dr Philippe Duneton, the secretariat staff manage the day-to-day operations of the organization and implement policies approved by the Executive Board. Hosted by the World Health Organization and based out of Geneva, Switzerland, operations are administered in accordance with our constitution and WHO rules.
Philippe Duneton

Philippe Duneton

Executive Director

Dr. Duneton is the Executive Director of Unitaid since 2020. He has a Master in Epidemiology, Public Health and he was instrumental in the 2006 creation of Unitaid. His long career has focused on HIV/AIDS, infectious & tropical diseases and public health. He was twice advisor to Bernard Kouchner of France’s Ministry of Health, practiced medicine in the Infectious Diseases Department of La Pitié Salpétrière hospital in Paris, headed the mission against HIV/AIDS and harm reduction for l’assistance publique, Hôpitaux de Paris. He also led the French regulatory agency for medicines and health products, and chaired the board of the European Medicines Agency.

Tenu Avafia

Tenu Avafia

Deputy Executive Director

Tenu Avafia has extensive experience across human rights, public health, health systems and equitable access matters. He has overseen health programs in low and middle income countries and worked with several partners including programme and donor UN Member States, civil society, private sector and multilateral institutions. Before joining Unitaid, Tenu served as the Head of the Resident Coordinator’s Office in Zimbabwe and led a team at UNDP focusing on HIV, human rights, key populations and health technology innovation and access.

Our team
Tenu Avafia
Tenu Avafia

Deputy Executive Director

Carole Ballon
Carole Ballon

Administrative assistant

Serena Cungi
Serena Cungi

Assistant to the Executive Director

Philippe Duneton
Philippe Duneton

Executive Director

Marina Lins do Carmo
Marina Lins do Carmo

Executive officer

Timothy Ryan
Timothy Ryan

Risk & information manager

Krishnaveni Vadrevu
Krishnaveni Vadrevu

Executive officer

Izumi Aoki
Izumi Aoki

Administrative assistant

Melanie Brooks
Melanie Brooks

Strategic communications officer

Cintia Dantas
Cintia Dantas

Partnerships officer

Hassene Debbiche
Hassene Debbiche

Assistant to team

Amélie Drillet
Amélie Drillet

Program officer

Marina Hue
Marina Hue

Governance and board-relations manager

Kerstin Kolbe
Kerstin Kolbe

Resource mobilization manager

Oksana Koval
Oksana Koval

Governance officer

Matthew Lindley 
Matthew Lindley 

Resource mobilization manager

Beatriz Nascimento Lins De Oliveira
Beatriz Nascimento Lins De Oliveira

Partnerships officer

Momcilo Orlovic
Momcilo Orlovic

Communications officer

Maxime Paquin
Maxime Paquin

Communications officer

Mārtiņš Pāvelsons
Mārtiņš Pāvelsons

Grant application manager

Judith Polsky
Judith Polsky

Senior resource mobilization manager

Kyle Wilkinson
Kyle Wilkinson

Communications officer

Mami Yoshimura
Mami Yoshimura

Resource mobilization officer

Maggie Zander
Maggie Zander

Communications officer

Irina Avchyan
Irina Avchyan

Grant finance manager

Mailys Bobin
Mailys Bobin

Grant finance officer

David Curry
David Curry

Director, finance

Alex Debrun
Alex Debrun

Grant finance manager

Jemmy Dopas
Jemmy Dopas

Grant finance officer

Ivan Ginet
Ivan Ginet

Assistant, facilities and administration

Thomas Herr
Thomas Herr

Technical officer (quality management)

Elin Hristov
Elin Hristov

Finance officer

Afifi Husain
Afifi Husain

Procurement officer

Sophie Merlet
Sophie Merlet

Administrative support

Richard Mijumbi
Richard Mijumbi

Procurement specialist

Maria Monica
Maria Monica

Human resources officer

Kothi Veer Narasimhan
Kothi Veer Narasimhan

Human resources officer

Mirchaye Negussie-Shepard
Mirchaye Negussie-Shepard

Grant finance officer

Jorge Pineda Rangel
Jorge Pineda Rangel

Grant finance officer

Julien Pouille
Julien Pouille

Team lead for risk management and grant finance

Ganesh Ramachandran
Ganesh Ramachandran

Grant finance manager

Radana Rouzinova
Radana Rouzinova

Finance officer

Liane Shakhsheer
Liane Shakhsheer

Human resources officer

Kamayani Solanki
Kamayani Solanki

Human resources officer

Baran Tunc
Baran Tunc

Human resources officer

Monique Van Vliet
Monique Van Vliet

Financial controller

Matthieu Vittot
Matthieu Vittot

Grant finance officer

Kristen Dorman
Kristen Dorman

Legal officer

Sonia Hilton-Mathew
Sonia Hilton-Mathew

Senior legal officer

Nataliya Omelchuk
Nataliya Omelchuk

Legal officer

Aroosha Sadaghianloo
Aroosha Sadaghianloo

Legal officer

Oana Baban
Oana Baban

Program officer

Laure Bernou
Laure Bernou

Program officer

Matthew Black
Matthew Black

Program manager

Katherine Blumer
Katherine Blumer

Program manager

Anna Bowman
Anna Bowman

Program manager

Aisha Daggash
Aisha Daggash

Program officer

Smiljka de Lussigny
Smiljka de Lussigny

Program manager

Maria Donatelli
Maria Donatelli

Program manager

Jan Akko Eleveld
Jan Akko Eleveld

Program manager

Rachel Evans
Rachel Evans

Program officer

Danielle Ferris
Danielle Ferris

Program manager

Thomas Gradel
Thomas Gradel

Program officer

Anna Hellstrom
Anna Hellstrom

Program officer

Kate Hencher
Kate Hencher

Team lead

Katy Huang
Katy Huang

Project manager

Jackson Hungu
Jackson Hungu

Program manager

Charlotte Kristiansson
Charlotte Kristiansson

Team lead

Faith Mangwanya
Faith Mangwanya

Programme officer

Robert Matiru
Robert Matiru

Director, program management

Yamuna Mundade
Yamuna Mundade

Program manager

Eva Nathanson
Eva Nathanson

Team lead, partnerships

Luca Occhini
Luca Occhini

Team lead

Ademola Osigbesan
Ademola Osigbesan

Program manager

Evaezi Otuorimuo
Evaezi Otuorimuo

Program officer

Dessislava Tarlton
Dessislava Tarlton

Program manager, access

Romane Theoleyre
Romane Theoleyre

Program manager

Mariam Toure
Mariam Toure

Program officer

Ambachew Yohannes
Ambachew Yohannes

Program manager

Denitza Andjelic
Denitza Andjelic

Team lead, monitoring, evaluation and learning

Vincent Bretin
Vincent Bretin

Director, results team

Caroline Brodier
Caroline Brodier

Assistant, results & strategy teams

Tijana Clevenger
Tijana Clevenger

Results officer

Hassene Debbiche
Hassene Debbiche

Assistant to team

Lara Grosso
Lara Grosso

Results officer

Tanya Guenther
Tanya Guenther

Monitoring & evaluation manager

Gamuchirai Gwaza
Gamuchirai Gwaza

Monitoring & evaluation manager

Gauri Khanna
Gauri Khanna

Monitoring & evaluation manager

Ross Leach
Ross Leach

Team lead, corporate performance and impact

Stéphanie Mariat
Stéphanie Mariat

Results officer

Nargiza Mazhidova
Nargiza Mazhidova

Data manager

Ombeni Mwerinde
Ombeni Mwerinde

Monitoring & evaluation manager

Priyanka Soni
Priyanka Soni

Results officer

Oluwaseun Aladesanmi
Oluwaseun Aladesanmi

Technical manager, strategic sourcing and supply

Kelsey Barrett
Kelsey Barrett

Technical manager

Caroline Brodier
Caroline Brodier

Assistant, results & strategy teams

Anne-Isabelle Cameron
Anne-Isabelle Cameron

Technical officer

Hassene Debbiche
Hassene Debbiche

Assistant to team

Anisa Ghadrshenas
Anisa Ghadrshenas

Technical officer

Janet Ginnard
Janet Ginnard

Director of Strategy

Dale Halliday
Dale Halliday

Technical manager

Jan Kolaczinski
Jan Kolaczinski

Senior technical manager

Edith Endam Ndam
Edith Endam Ndam

Assistant

Kenny Onasanya
Kenny Onasanya

Technical manager, strategic sourcing and supply

Carmen Pérez Casas
Carmen Pérez Casas

Senior technical manager

Cherise P. Scott
Cherise P. Scott

Senior technical manager

Jeffrey Smith
Jeffrey Smith

Senior technical manager

Catherina Timmermans
Catherina Timmermans

Technical manager