Rita Abi Akar

Rita Abi Akar

Rita Abi Akar has almost a decade years’ experience in crisis and food-insecure contexts, and has worked in humanitarian and development settings with INGOs, UN agencies, private sector and Civil Society organisations, covering more than 10 countries in West, Central and East Africa as well as the Middle East region.

Through her work experience, Rita has led on programme and strategy design, proposal development, research, analysis and report writing and donor reporting as well as capacity strengthening support including participatory consultations and conversations, facilitation of technical trainings and decision making workshops. She focuses on advancing for a more locally-led response by supporting Global South governments and organisations to write their own story, with a strong commitment to shifting power within the aid sector, for a more just and equitable aid system.


Kate Sadler

Kate Sadler

Kate Sadler is a senior public nutritionist (PhD) with 25+ years’ experience across research, policy, technical advisory support and programme strategy in humanitarian and development settings. She has extensive experience working with UN agencies, NGOs, academic institutions and governments across Africa and Asia on maternal and child nutrition, nutrition in emergencies, health systems strengthening and multi-sectoral action to address undernutrition. Kate brings a strong track record in evidence synthesis, policy analysis, programme evaluation and translating research into practical guidance for policy and programming. Kate has led and contributed to multi-country reviews, evaluations, strategy development and technical guidance across a wide range of nutrition issues, including wasting/acute malnutrition, infant feeding, micronutrient interventions, nutrition system strengthening and prevention-focused programming. Kate has substantial experience leading multi-disciplinary teams, supporting country and global policy processes, and communicating complex technical issues clearly to technical and non-technical audiences.


Silvia Kaufmann

Silvia Kaufmann

Dr. Silvia Kaufmann gained her PhD and Master´s degree in Nutritional Science from the Justus Liebig University of Gießen in Germany.  She also holds a Bachelor degree equivalent in Pedagogy for Vocational Training and Adult Education, as well as complementary studies in Applied Informatics and Computer Science, from the same institution.

Silvia has more than 25 years experience working in the field of food and nutrition security in the humanitarian and development contexts, mainly in South East and South Asia.  In particular, she has considerable long-term experience in countries such as Afghanistan, Lao PDR and Pakistan and has held senior advisory positions with the World Bank, UNICEF and FAO.  Prior to that she worked with WFP and GIZ as food and nutrition advisor.

During her assignments, Silvia has supported and led the development and evaluation of food and nutrition-related sectoral and multi-sectoral policies, strategies, programmes and action plans. She worked in both multi-sectoral and multi-stakeholder environments, and had been responsible for coordinating, providing advice and developing capacities for planning, financing and implementing food and nutrition-related actions.  In this regard, she has applied her expertise and knowledge across many key sectors including health, agriculture, livestock, fisheries, rural development, forestry, water and sanitation, education and social protection, among both government and partner institutions.

Dr. Kaufmann believes that robust planning and management capacities among public sector institutions are the key to enabling commitments and to end hunger and malnutrition.


Amal Tucker Brown

Amal Tucker Brown

Amal Tucker Brown is a Senior Public Health Nutrition Specialist with 18+ years of international experience advising governments, multilateral organisations, and donors (including UNICEF, World Food Programme, and World Bank Group). Recognised for leading large-scale, multi-country programmes and high-level technical assistance across Africa and Asia in both development and humanitarian contexts. Her expertise spans policy and strategy development, climate–nutrition financing, social and behaviour change, and health systems strengthening. Amal has a proven track record in mobilising resources, shaping global and national agendas, and translating evidence into impactful, scalable programmes that improve maternal, adolescent, and child nutrition outcomes.


Peter Hailey

Peter Hailey is a humanitarian nutritionist who has lived and worked in emergencies and fragile areas of Central Europe and Africa for over 25 years.  He is a nutrition specialist with extensive international experience managing large scale nutrition specific and sensitive programs. He recently completed an assignment as chief of nutrition in UNICEF Somalia where he successfully led UNICEF’s extensive scale up in nutrition and cash programming in response to the 2010/11 famine. Prior to this, he worked with UNICEF and NGOs in emergencies around Africa, the Balkans, and Central Asia. In 2014, with a colleague he started a trust, Centre for Humanitarian Change (CHC), based in Kenya working on issues related to a new way of working in the fragile areas of East Africa. His work for CHC has involved consultancies and research on adaptive learning, health system strengthening, surge approaches, localization and marginalization in Somalia, and resilience in East Africa and beyond. He is a member of the Famine Review Committee, an independent committee, supporting the Integrated Phased Classification System in countries where famine is a high risk.


Delphin Diasolua Ngudi

Delphin Diasolua Ngudi

Delphin has more than 25 years of national and international experience working in nutrition and food security programmes, as a nutritionist with the National Nutrition Institute, the UN agencies, MQSUN & MQSUN+, ESTHER, NutritionWorks, TASC and various other international nutrition partners.

Delphin’s experience covers contextual analysis, policy and strategic review and drafting, concept note development, training, protocol and guidelines development, assessment, operational and academic research, reporting, programming, and monitoring & evaluation. demonstrated ability to communicate, interact, and collaborate effectively with leaders, colleagues, and communities, both orally and in writing; Ability and willingness to work with people of diverse cultures, background and economic status.

For the past 15 years, Delphin has worked as an international consultant in more than 10 African countries providing a range of technical support to governments, NGO (national or international), donor, civil societies including: nutrition and food security landscape analysis; development of nutrition policies and strategic plans; development of guidelines, curricula and training modules; nutrition-specific programming; integration of nutrition into social protection and in national strategic plans to fight HIV and TB as well as into country proposals and concept notes; planning and implementing nutritional assessments; training and capacity-building; data analyses and consolidating recommendations; reviewing National Nutrition Strategies and development of Multi-sectoral Monitoring and Evaluation Frameworks and conducting nutrition evaluations.

As a university researcher, Delphin has significant experience in co-editing network newsletters, reviewing scientific articles for peer-reviewed international journals as well as mentoring and coaching students, publishing scientific research papers and delivering presentations.


Bradley Woodruff

Dr. Woodruff graduated from Upstate Medical Center in 1980 after which he completed two years of training in general surgery.  He then worked in African mission hospitals for a year and local Pittsburgh emergency departments for two years before enrolling in the Masters in Public Health program at Johns Hopkins University. In 1986 he entered the Epidemic Intelligence Service program at the Centers for Disease Control.  During his first 9 years at CDC from 1987-1996, Dr. Woodruff worked in the fields of bacterial enteric diseases and viral hepatitis, taking time from his regular job to travel to refugee emergencies when needed.
From 1996-2003, he did this work full-time as a staff member of CDC’s International Emergency and Refugee Health Branch and served as Branch Chief for part of this time. From 2003 to 2007, he moved to the International Micronutrient Malnutrition Prevention and Control group at CDC where he provided technical supervision to the staff of micronutrient specialists. Since retirement in 2007, he has served as a consultant to United Nations agencies and non-governmental organizations, providing technical assistance in large nationwide nutrition assessment surveys, program evaluations, and research studies.


Paul Rees-Thomas

Paul Rees‑Thomas is a global health and nutrition leader with nearly three decades of experience strengthening government systems, organisational performance, and multi‑sectoral collaboration across Africa, Asia, and Eastern Europe. His work focuses on helping institutions translate strategic vision into measurable improvements in service delivery, drawing on deep expertise in capacity development, systems thinking, and organisational change. Paul has held senior roles with Save the Children, Global Health Partnerships, NutritionWorks, and leading humanitarian organisations, where he has shaped global strategies, led governance and technical leadership structures, and supported national teams to integrate and scale high‑impact nutrition and health interventions. He is recognised for his ability to build alignment across diverse stakeholders, foster learning cultures, and design blended learning and mentorship approaches that strengthen frontline and district‑level capabilities. His career is grounded in a commitment to localisation, equitable partnership, and resilient national systems.


Laura Phelps

Laura Phelps has been working in the field of International Public Nutrition for the past 12 years. She has experience of nutrition, food security and livelihoods programme analysis, design and implementation, with related policy and advocacy, evaluation and capacity development within humanitarian NGO’s. This ranges from nutritional causal analysis to infant feeding policy development, and delivering training in integrated emergency and rehabilitation preparedness and response. Laura is particularly interested in the developing field of urban programming, social protection, and food price rises, and the links with nutrition.

She has extensive experience working in South, East and Central Asia, and has also worked in sub-Saharan Africa, Eastern Europe and the South Pacific. Laura currently works part-time as an Emergency Food Security and Livelihoods Advisor for Oxfam GB. Previous organisational affiliations include Action Against Hunger UK and USA and Save the Children UK. Laura has an MSc in Public Health, and a postgraduate diploma in Dietetics.


John Borton

John Borton has worked continuously in the international disaster and humanitarian sector since 1981. His roles have focussed on programme planning and evaluation, research, organisational and inter-organisational learning, organisational strategy, network development, and capacity building.

During his 11 years as a Research Fellow at the Overseas Development Institute he: established and was the initial co-ordinator of the Relief and Rehabilitation Network (now the Humanitarian Practice Network); led the Study III (humanitarian) team of the Joint Evaluation of Emergency Assistance to Rwanda (JEEAR); led the creation of both the Humanitarian Policy Group (HPG) and the Active Learning Network for Accountability and Performance in Humanitarian Action (ALNAP), of which he was its coordinator for the first five years. Since leaving ODI he has worked as independent consultant within the humanitarian sector undertaking a variety of research, capacity development, and evaluation and writing roles. For 9 years he was the Learning Support Advisor to the ACT/Caritas funded NCA Darfur Programme. His role for NutritionWorks has focussed on supporting DFID’s evaluation processes through the EQUALS programme.

John has a first degree in Geography (Oxford) and a Masters in Agricultural Economics (Reading). His voluntary roles have included serving as a Trustee and Council member of Oxfam GB (1998-2000) as a Trustee and Independent Board Member of the UK Disasters Emergency Committee (DEC) (1998-2002). He is currently a Trustee and Area Convenor for Herts Welcomes Syrian Families – a charity supporting 50 Syrian families being resettled in Hertfordshire.


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