Dr Steve Collins (MBE, MD, DSc(hc), MBBS) – Founder and Executive Director

Steve is the Executive Director of both Valid International Ltd and Valid Nutrition. He is a medical doctor with a doctorate in nutrition and has worked in aid and development since 1985. In 1998, he developed the Community based Therapeutic Care model – subsequently called CMAM – that has since been adopted in over 60 countries worldwide. In 2001, he received an MBE for his services to humanitarianism for his work into adult malnutrition. He is a respected academic, is widely published in many major international journals, including Nature Medicine and The Lancet, is a visiting Research Fellow at the Institute of Child Health in London and holds an honorary doctorate from Long Island University in the US. In 2010, Steve was elected a Senior Fellow of ASHOKA.

Kate Sadler (PhD) – Programmes Director

Kate is a public nutritionist with over 15 years of experience in the design, management and evaluation of nutrition interventions in sub Saharan Africa and Asia. She previously worked with Concern Worldwide in several humanitarian settings and more recently spent 5 years as an Assistant Professor of nutrition at the Feinstein International Center (FIC), Tufts University, USA where she remains a Visiting Fellow. At FIC Kate led several research projects including the community case management of severe acute malnutrition in Bangladesh; linking livestock interventions to child health and nutrition in pastoralist areas of Africa; and the strengthening of nutrition across multi-sectoral programs (including HIV, health and livelihoods) in Ethiopia. Kate completed her doctorate in 2008 with the Institute of Child Health, University College London and Valid International. For this her work focused on the development and testing of the CMAM approach for treating severe acute malnutrition in emergencies. In her position at Valid she oversees all projects and programmes and supports strategic direction of the organization.

Ms. Fiona Shickle – Finance Director

Fiona Shickle has over 30 years of experience of working in a variety of finance roles. She started her career in practice with a firm of accountants in Oxford and then spent a short time as Finance Director of a commercial IT company. In the last twenty years she has headed the finance function for a number of NGOs, some UK focused and some working internationally in research, training, evaluation and microfinance and running overseas offices in Africa, Central Asia and Southern and Central America. Most recently she has worked as the College Accountant for Ruskin College and St Antony’s College in the University of Oxford. Also during this time she spent six years on a voluntary basis as the Treasurer of a UK based NGO working in Afghanistan to develop livelihood programmes, provide basic services such as water and sanitation and support the development of local governance and gender equality.

Focal Points
Paluku Bahwere (PhD, MD) – Research Manager

Paluku is a paediatrician with an MSc in Epidemiology and Biostatistics, and a PhD in Public Health. He has over 25 years of experience of operational research and programming in the fields of public health, paediatrics, nutrition & HIV/AIDS. He joined Valid International in 2003 as a CTC advisor. Since then he has provided technical support to Ministries of Health in Malawi, Zambia, Zimbabwe and Mali. He has also supported a number of International NGOs, including Concern Worldwide, CRS Zambia, Save the Children (US) and ActionAid (Malawi). In 2006 he became Valid International’s Research Focal Person and has led the design, implementation and analysis for several large cluster randomised trials. He also has over 10 years’ experience of supporting PhD students of the Public Health School of the Free University of Brussels in study design, data analysis and thesis write up. He is fluent in English & French.

Ernest Guevarra (MD, MPH) – Head of Measures

Ernest has had more than 10 years of experience working in different rural and disadvantaged communities in the Philippines, Uganda, Somalia and Sri Lanka. Ernest has formal training as a physician and a public health practitioner and invaluable informal training as a community worker from communities with whom he has worked. He served in roles such as community organiser, community health worker and community doctor. More recently in his role as technical advisor for Valid International, Ernest has been involved in providing technical support to ministries of health and non-governmental organisations in the implementation of Community-based Management of Acute Malnutrition (CMAM) in countries such as Zambia, Nigeria, Somalia, Kenya, Sierra Leone and Vietnam. Specifically, Ernest leads Valid International’s coverage assessment team and has conducted coverage surveys in northern Kenya, southern Zambia, Mogadishu in Somalia, northern Nigeria, entire Sierra Leone and in five regions of Niger (on-going). Ernest has been involved in the design and development of new coverage methods such as Semi-Quantitative Evaluation of Access and Coverage (SQUEAC), Simplified Lot Quality Assurance Sampling Evaluation of Access and Coverage (SLEAC) and Simple Spatial Sampling Method (S3M).

Laura Bramley (MPhil) – Technical Advisor, Measures

Laura joined Valid’s Measures team in January 2015. She provides technical support in designing and implementing assessments, focusing particularly on rapid assessment methods and geospatial analysis. She graduated from the University of Oxford in 2015 with an MPhil in Geography and Environment, and has worked in multi-sectoral and CMAM-specific evaluations in Ethiopia and India.

Abdoul-Aziz Goza – Measures Survey and Assessment Technician

Aziz has been working as a Nutrition specialist and community mobilization adviser since 2011. He holds a masters degree in Nutrition in Developing Countries from the University of Montpellier in France. Aziz worked with ACF as a CMAM project manager in Matam, Senegal and with GRET as technical assistant in Boghe, Mauritania. He also has field experience of conducting surveys in Senegal, Mali, Niger and Burkina Faso as Regional Coverage Adviser with HELEN KELLER INTERNATIONAL. Prior to joining Valid International, he was Nutrition Specialist for UNICEF Niger.

Sarah Jones – Programmes Manager

Sarah started her career in the programmes team at Children in Crisis in 2008, managing programmes in the UK, China, and Sierra Leone, and developing a focus on participatory approaches and methodologies. After moving to Kazakhstan in 2012, she worked with UNICEF Kazakhstan in Astana, as well as working on a Focused Ethnographic Study with Valid (and GAIN) in Ethiopia in 2014. Sarah is delighted to have joined Valid as programmes manager early in 2016.

Joseph Galabuzi – Office Administrator 

Joseph is responsible for the smooth running of administrative functions and provides IT and logistical support at the Oxford office. He has over 10 years experience in administration, front desk management and research.

Our Consultants:

Valid works with a large pool of consultants several of whom have been supporting our technical, research and measures projects over many years. They cover a wide range of specialization including international public health and nutrition, medicine, anthropology, epidemiology and statistics. If you are interested in Valid’s work and would like to join our consultant pool please visit our Careers page