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  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

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

CONTACT

D-tree International

167 Washington Street

Suite 5

Norwell, MA 02061 - USA

Telephone: +1 978-238-9122

JOBS

Join us! We're growing and

looking for exceptional people to join our team. See our open job opportunities.

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