Kathy Tilford

Project Director

As project director, Kathy Tilford is responsible for providing leadership and overall management for the project, ensuring that program quality and impact reflect the highest standards for morbidity management and disability prevention. She oversees the project’s technical, programmatic and financial teams and manages collaboration with external partners. 

Ms. Tilford brings more than 30 years of experience working in development projects, primarily in Africa. Before joining the MMDP Project, Ms. Tilford was an independent consultant, focusing on program design and qualitative evaluations and serving as an interim country director for Helen Keller International in Mali and the DRC. Prior to consulting, she served as a country director for CARE and for the United States Peace Corps. She was a Peace Corps Volunteer in Côte d’Ivoire, working in education and health.

Ms. Tilford holds a master’s degree in public health from UCLA and bachelor of arts degrees in history and French from the University of Oregon.


Chad Macarthur

Senior Technical Advisor

Mr. Chad MacArthur is a global public health specialist with over 25 years of experience.  Mr. MacArthur works with the MMDP Project on primarily trachoma-related activities, and he provides technical support through the review of technical documents, training manuals, and strategy papers, and technical guidance on planning and implementation of behavior change initiatives. Mr. MacArthur sits on the project’s trachoma Technical Advisory Board.

In addition to working with the MMDP Project, Mr. MacArthur is the President of MacArthur/Tapert Global Health Consulting providing technical and programmatic consulting services in neglected tropical diseases. He previously served as the Director of Neglected Tropical Disease Control for Helen Keller International (HKI), Director of Trachoma for HKI and HKI Country Director in Mozambique and South Africa.

Nadya Marusina

Senior Program Finance Manager

Nadya Marusina oversees the overall financial management of the MMDP Project. Working in close coordination with headquarters and regional program staff and project partners, she ensures financial integrity and compliance with USAID regulations and HKI policies and procedures. She supports project activities in Cameroon, Burkina Faso and Ethiopia.

Ms. Marusina has more than a decade of grants and financial management experience with international development organizations, working on projects across Africa and Asia funded by bilateral, multilateral and private donors, including the U.S. and EU. Before joining Helen Keller International in 2014, she served as a finance manager for Action Against Hunger. She previously worked for the International Institute of Education in New York and the International Rescue Committee in New York and Sierra Leone.

Ms. Marusina received her bachelor’s degree in international relations and economics from Tufts University.

Mary Abdalwahab

Senior Manager, Grants & Contracts

A member of Helen Keller International’s grants and contracts department, Mary Abdalwahab provides compliance guidance and support to the MMDP Project. She advises project staff on U.S. government regulations, HKI policies, and industry best practices in the overall administration of the MMDP Project.

Ms. Abdalwahab previously served as a senior grants manager for International Medical Corps, supporting the grants management of the organization’s breadth of emergency relief programs. In prior work at Chemonics, she served in various project management, grants management, and proposal development roles.   

Ms. Abdalwahab holds a bachelor’s degree in international studies from American University.

Medessé Sonou

Program Manager 

Medessé Sonou supports the day-to-day implementation of the MMDP Project. She works closely with the country teams to provide oversight of the MMDP Project’s programmatic, administrative and operational activities in Burkina Faso, Cameroon and Ethiopia. She monitors and documents the progress of the country-led activities, and helps to ensure the quality of the project’s deliverables.  

Before joining the MMDP Project, Ms. Sonou worked as the operations lead for M.A.T Creative Marketing. She previously worked in Washington, DC, as a program officer at FHI 360, where she managed global health projects in Sub-Saharan Africa. Earlier she worked for the Accordia Global Health Foundation, where she supported research projects in Uganda. Ms. Sonou possesses several years of experience in the programmatic and financial management of global health projects.

Ms. Sonou holds a master’s degree in international development from American University and a bachelor’s degree in economics from the University of Virginia.

Stephanie Parker

Monitoring, Evaluation & Learning Advisor

Stephanie Parker supports data collection, management and analysis for the MMDP Project’s M&E efforts. Working closely with country-level teams and partners to ensure timely reporting of high-quality data, she monitors the project’s progress against stated objectives and leads the reporting of data to USAID.

Ms. Parker previously served in the Global Health Corps in Rwanda as an M&E fellow for Gardens for Health International, where she analyzed data to understand program impact and designed, piloted and rolled out a mobile M&E system. Other past positions include three years as a program specialist in USAID’s Office of Transition Initiatives, and two years with the QED Group, where she coordinated USAID M&E activities in seven countries.

Ms. Parker holds a master’s degree in international development studies from The George Washington University and a bachelor of arts in literature and economics from Claremont McKenna College.

Geri Kemper-Seeley

Program Associate 

Geri Kemper-Seeley provides programmatic and M&E support to the MMDP Project. She provides assistance tracking activities, developing work plans and donor reports, and documenting lessons learned and achievements across the project.

Before joining the MMDP Project, Ms. Kemper-Seeley worked as a qualitative research assistant at the University of Colorado, School of Medicine-Children’s Eating Lab where she analyzed low-income preschooler families’ mealtime and physical activity routines to develop an obesity prevention intervention. She previously served as an intern for HKI Bangladesh’s SAPLING project and in the U.S. Peace Corps as a community health education agent in Namibia.

Ms. Kemper-Seeley holds a master of public health degree from the Colorado School of Public Health and a bachelor of science degree in health sciences from Portland State University.