Our global team has expertise in public health, technology and development, and a passion for improving health outcomes and achieving results.
Global Operations Team
Erica Layer
Chief Executive Officer
Alison Clark
Chief Operating Officer
David Hershberg
Director of Business
Development & Partnerships
Rebecca Litner
Program Manager
Jessica Trask
Grants & Compliance
Manager
Senior Engineering Manager
Sergio Jarne
Financial Analyst
Caroline Giandomenico
Sergio Jarne
Senior Engineering Manager
Brendan Pope
Finance & Administration Officer
Stefanie Kot
Program Manager
Rachel Hofmann
Regional
Program Director
Rachel Hofmann
Regional Program
Director
Sarah Klem
Program Manager
East Africa Regional Team
Joe Wanyoike N
Zanzibar
Program Director
Gloria Kahamba
Project Manager
Heiko Hornung
Director of
Digital Solutions
Eliguard Dawson
Program Director
Samira Said
Project Manager
Omar Abdalla
Technical Advisor
Stella Marealle
Senior Finance &
Admin Officer
Melania Nkaka
Field Coordinator
Allyson Nelson
Program Manager
Salum Mbaruok
Program Coordinator
Jalia Tibaijuka
Senior Program Coordinator
Sam Lilienfeld
Technology & Data
Manager
Neema Kafwimi
Program Coordinator
Quality Improvement
Specialist
Andrew Logan
Moh'd Abdalla Rashid
Field Implementer
Mohammed Makame
Logistics & Admin Assistant
Ali Nyange
Field Implementer
Imran Esmail
Software Engineer
Imran Esmail
Software Developer
Gulam Abdulkarim
Field Implementer
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Haroub Omar
Finance & Administration Officer
Mohammed Makame
Logistics & Admin Assistant
Taylor Craig
Quality Improvement Specialist
Ali Nyange
Field Implementer
Isaya Mollel
Software Developer
Imran Esmail
Software Engineer
Kassim Shengembe
Software Developer
Gulam Abdulkarim
Field Implementer
Nitusima Kataraia
Software Developer
Southern Africa Regional Team
Country Director
Chris Kulanga
Chris Kulanga
Country Director
Giuseppe Valerio
Deputy Country Director
Blessing Malizani
Finance & Admin
Officer
Monica Meleke
Technical Coordinator
Emmanuel Chimbalanga
Technical Advisor
Gerald Chilindira
Program Assistant
Board of Directors
Erica Layer, President
CEO, D-tree International
Ashton Peery, Chairperson
Independent Consultant on Strategy and Commercialization
Ylisabeth Bradshaw, Clerk
Academic Director of the MS in Pain Research, Education and Policy, Tufts University
David Sherman, Treasurer
Professor of Accounting, Northeastern University College of Business Administration
Milton Kotelchuck
Senior Scientist in Maternal and Child Health Center for Child and Adolescent Health Policy, Mass General Hospital for Children; Visiting Professor of Pediatrics, Harvard Medical School
Barbara Mitchell
Former Executive Director, International Action Network for Gender Equity & Law
Barbara Bulc
Founder and Director of Global Development
Alain Labrique
Associate Professor, Johns Hopkins Bloomberg School of Public Health
Na'im Merchant
Co-Founder and Managing Director of Scaling Health Innovations
