USA-Based Staff

Guy Stallworthy, MHS, MA

President & Chief Executive Officer

Guy Stallworthy comes to Grounds for Health with 30 years experience in mission-driven health care initiatives and international development. Stallworthy spent the last seven years as Senior Program Officer at the Bill & Melinda Gates Foundation, where he led development of innovative models to improve primary health care systems and services in Africa and Asia. Prior to the Gates Foundation, he spent 11 years with Population Services International (PSI), where he served as Country Director of Myanmar, Executive Director of PSI Europe, Senior Director of Technical Services, and Program Manager for Eastern and Southern Africa. He has lived and worked in more than 25 countries in Africa, Asia and Latin America, and holds two master’s degrees from Johns Hopkins University: an MHS in International Health and Population Dynamics, and an MA in International Affairs and Economics.

Pam Kahl

Vice President, Communications and Development

Pam Kahl is a senior marketing and communications executive with a unique mix of experience in technology, international development, health care, education, sustainability and specialty coffee. Prior to joining Grounds for Health, Pam held leadership positions at FamilyCare Health Plans, Sustainable Harvest Coffee Importers and Waggener Edstrom Worldwide. She was also founder and President of verbal800 Communications, a strategic marketing communications agency specializing in raising awareness for world-changing ideas. She has worked with organizations such as Microsoft, CARE USA, Mercy Corps, University of Washington, and Lewis & Clark College and developed and executed go-to-market strategies for several start-up companies.  

Pam’s skill at building strategic messaging platforms, identifying storytelling opportunities and building relationships with influence has increased brand value, expanded sales channels and garnered high-visibility coverage in outlets such as CNN, Good Morning America, The New York TimesThe Wall Street Journal and National Public Radio, among others.

Pam holds a BA in English from UC Berkeley, a Masters in Communication in Digital Media from the University of Washington, and a certificate in International Development Management & Policy from the Evans School of Public Affairs at UW. She is also a member of the SCAA Sustainability Council.

Ellen Starr, NP

Clinical Director

Ellen Starr is a nurse practitioner with over 27 years experience working in women’s health with a special focus on gynecology, family planning and abortion services. Over these years she has worked as a provider at Planned Parenthood of Northern New England where she became a Site Manager, Regional Manager and eventually Vice President of Health Center Operations. She developed strong leadership and management skills while continuing her clinical practice. As the Program Director, Ellen supervises the country leads in each country where Grounds for Health works.  She started as a volunteer on trips to Tanzania, working as a trainer and preceptor, before deciding to join the staff at Grounds for Health as a Senior Clinical Officer.  She has had oversight of the Grounds for Health program in Tanzania where the cervical cancer prevention program has strengthened dramatically at the national level.

Kyle Engelman, MPH

Program Manager

Kyle Engelman started working in international health and development in 2005 while at Dartmouth College and graduated with her Master’s in Public Health from University of California, Berkeley in 2013 with a focus on Global Maternal & Child Health. While in college, she volunteered in health clinics and provided prevention programming to communities in Guatemala, Nicaragua, and Peru. After university, she worked in international governance for a USAID-contractor in Washington, D.C. and then served as an AmeriCorps volunteer in Juneau, AK as a crew leader for at-risk teens and then as a domestic violence and sexual assault advocate for women and children. In graduate school, she studied issues affecting the reproductive health of women and adolescents worldwide and spent her summer developing curriculum for and evaluating an education and life skills program for Muslim girls in northern Nigeria. She is passionate about the health, safety, and empowerment of women and girls as well as strategy and management approaches that enable organizations to achieve sustainable social impact. She is fluent in Spanish.

Kathy Hollandsworth

Administration Manager

A graduate of the College of William and Mary, Kathy brings more than 30 years of administrative management experience to Grounds for Health. Kathy spent over 20 years as the Operations Director at Laureate Learning Systems, Inc., a Vermont-based company dedicated to publishing innovative software specifically designed to improve the lives of children and adults with special needs. During her tenure at Laureate, as the company’s revenues grew, Kathy implemented numerous systems to improve function, efficiency and productivity. She looks forward to doing the same for Grounds for Health as the organization expands its reach and impact. 

Justin Mool

Communications Specialist

Justin works as a contractor for Grounds for Health and manages its Websites, Facebook page and all marketing campaigns, including print ads, the annual report and the E-newsletter. Grounds for Health is Justin’s first real venture into the nonprofit sector and is a welcomed addition to his client base at Discern Marketing, Inc, where he is currently President. Prior to Grounds for Health, Justin spent three years as a content manager at outdoor gear etailer Mr. Mool graduated with a Bachelor of Science in Communications from Northwestern University.

In-Country Staff

Ashenafi Argata, MPH

Program Coordinator, Ethiopia

Ashenafi Argata has 28 years of technical and managerial experience in the Ministry of Health of Ethiopia. His previous experience includes heath center staff nurse, health center technical coordinator, head of a district health office, program coordinator for zonal health department and tropical diseases consultant for WHO. Ashenafi is committed to working with the rural communities and believes that they are the primary change agents for any health intervention. Ashenafi holds a Master of Public Health in field epidemiology from Addis Ababa University and a BA in public health from Dilla University and nursing diploma from Jimma University. He is fluent in English, Amharic and Sidamigna.

Abiy Semunigus Dejene, MS

Community Coordinator, Ethiopia

Abiy Semunigus Dejene is a licensed public health educator with more than nine years of experience in higher education and education projects. In 2004, Abiy obtained his Master of Science in rural development and also holds a bachelor’s degree in public health education and promotion, a diploma in English language, and certificates in project management/public health. Before joining Grounds for Health, Abiy was working in Hawassa with SOS children’s village program as a program officer and as a country manager for Student Leaders of the World, Inc. Abiy has experience working as a vocational counselor, English and Amharic language teacher, consultant and trainer in governmental and non-governmental organizations and as a freelancer in local mass media. Abiy is passionate about development management, leadership and communication, particularly in the areas of health, education, research and capacity building. Abiy speaks English, Amharic and Sidamigna.

Mesfin Wana

Clinical Coordinator – Ethiopia

Mr. Wana is a clinician and skillful manager, who brings excellent focus on supportive supervision and clinical quality assurance and improvement. 

Martha Pineda Guerrero, RN

Program Coordinator, Peru

Martha Pineda Guerrero is a Licenciada, or Registered Nurse, with a great deal of experience in program coordination, having worked for the Peruvian Institute for Nutritional Research (IIN) on a project called Ninos del Milenio (Young Lives). She was involved for almost a decade in this multinational, longitudinal study of the causes and consequences of poverty. She trained health care workers and interfaced with local ministry of health officials, community leaders and residents of rural areas. She has a great deal of experience in rural areas of Peru. She speaks English, as well as her native Spanish, and has lived in the USA and Saudi Arabia. She is currently based in the Cajamarca province of northern Peru.

Marlene del Carmen Suarez, RN



Program Coordinator, Nicaragua

Marlene is a licensed registered nurse (Licenciada) with a postgraduate diploma (completed in Spain) in Social Development and Management for the Promotion of Human Rights of Children, Adolescents and Youth. Her technical skills include micro-computing and graphic design. Throughout Marlene’s career she has worked in multicultural environments with humanitarian organizations such as Doctors without Borders, Plan International, as well as local organizations in Nicaragua. Although her titles have varied from health educator to administrator of health centers and hospitals to administration of the Women’s Center of Ixchen in Cuidad Sandino, Marlene’s focus has always been in cervical and breast cancer prevention, family planning, HIV-AIDS prevention and domestic violence. She brings strong skills in administration, community mobilization, and inter-institutional management with Ministry of Health, local leaders, social organizations and cooperatives.

Coordinadora General de Programas, Nicaragua

Es licenciada, Enfermera registrada con post grado en Promoción de los Derechos de la Niñez, Adolescencia y Juventud y, en Gerencia para el Desarrollo Social realizado en España. Es técnica en micro computación y Diseñadora gráfica. Ha trabajado en ambientes multiculturales con experiencia laboral en organismos humanitarios como Médicos sin Fronteras, Plan Internacional y organismos locales de Nicaragua. Ha desempeñado cargos de educadora, administración de Centros de salud, jefatura en hospitales y la dirección del Centro de Mujeres Ixchen en Ciudad Sandino, trabajando las áreas de Prevención del Cáncer de útero y de mamas, Planificación Familiar, VIH-Sida y no a la violencia hacia las Mujeres. Posee fortalezas: en Administración, Formación de líderes Comunitarios, conformación de red de casas bases, Gestiones interinstitucionales ante el MINSA, Alcaldías, organizaciones sociales y cooperativas.


Clinical Consultants

Susan Hollinger, MSN, WHNP

Susan Hollinger is a certified nurse practitioner who has been providing clinical services in women’s health for 25 years. She was educated at Boston College and received her Master’s degree from the University of California, San Francisco. She spent 10 years living and working on the south island of New Zealand where she certified as a midwife, and taught nursing. In that role she developed curriculum and taught primary care, physical assessment and community case management skills. With an expertise in reproductive health care, she has provided direct clinical services in non-profit and private practice, and has held both leadership and management positions. She is an active member of ASCCP and AUGS.

Susan began as a volunteer with Grounds for Health in 2009 when she was involved in teaching, mentoring and campaign organization. She currently works as a Clinical Consultant providing clinical oversight during screening and treatment campaigns in Ethiopia.

Erica Liebermann, MSN, ANP

Erica Liebermann is a nurse practitioner with over 15 years experience in women’s health care. At Planned Parenthood in Massachusetts, both as a nurse practitioner and as Health Services Director, she focused on providing high quality family planning and abortion services. She trained and supervised nurses and nurse practitioners, precepted students, and lectured on medication abortion to students and practicing clinicians. In her current gynecology practice she performs colposcopy and has developed a growing interest in HPV and cervical cancer. She is a member of the ASCCP and serves as a resource to her colleagues regarding abnormal pap management.

Since 2011, Ms. Liebermann has worked as a clinical trainer with Grounds for Health, on several cervical cancer prevention projects in Mexico and Nicaragua. She currently works as a Clinical Consultant. Ms. Liebermann is fluent in Spanish and French.

Elisa Vandervort, MSN, FNP

Elisa Vandervort is a nurse practitioner with 15 years experience as a primary care provider. For more than 20 years, Elisa has also worked internationally and domestically with community-based organizations engaged in issues of social justice. She is passionate about increasing primary health care access for underserved populations, and has a particular interest in reproductive health care equity and access. Elisa currently lives in central Tanzania where she is training student midwives and nurses with Peace Corps and Seed Global Health at the University of Dodoma. She holds a BA from Cornell University and a MSN from the Yale University School of Nursing.

Elisa worked as a senior member of Grounds for Health’s program team from 2009-2012, focusing on programs in Tanzania, Mexico, Nicaragua and Peru. Her current role is as a consultant with an emphasis on high quality clinical training. Elisa is fluent in Spanish.