Tamsin Walters

A highly experienced nutrition and food security practitioner, Tamsin Walters provides strategic and technical assistance to UN agencies, governments, donors, and NGOs at both global and country level. Tamsin specialises in public health nutrition and food security technical support, analysis and policy and strategy development, as well as providing broader strategic thinking and support to multi-sectoral humanitarian programming approaches. With experience in 29 African and Central and Southeast Asian countries over almost 20 years, her knowledge includes a comprehensive understanding of development policy within global, regional and community contexts. She is continuously engaged in improvement of the knowledge base for nutrition through involvement in global technical meetings, research publications and through management of an online technical discussion forum. Over the past six years, Tamsin has also led on NutritionWorks’ engagement with DFID’s MQSUN/MQSUN+, supporting SUN countries to develop nutrition policies and plans and providing technical assistance to DFID country offices.

Tamsin is a firm advocate for learning, building on experience and applying contextual solutions, while ensuring best practice in humanitarian and development initiatives. She employs these approaches throughout her work and particularly in evaluation and capacity development roles.

In addition to her position as a partner in NutritionWorks, Tamsin is an Associate with the Emergency Nutrition Network (ENN) and an Honorary Lecturer at Bristol University. Previous organisational affiliations include Concern Worldwide, Action Contre la Faim (ACF) and Action Against Hunger UK, Oxfam, CAFOD and Caritas Internationalis.


Rebecca Brown

Rebecca Brown is a Public Health Nutritionist / Food Security Specialist, with 16 years of experience working in international relief and development with UK and French-based NGOs in the areas of both nutrition and food security. She holds a Masters of Medical Science in Human Nutrition (Sheffield University).

Her specific areas of interest and expertise include: management of acute malnutrition, food security, nutritional surveillance, causal analysis, prevention of undernutrition, HIV and nutrition.

She spent 7 years in field-based positions and gained experience managing nutrition and security projects, conducting surveys and assessments, in countries including: Afghanistan, Burundi, Cambodia, DRC, India, Iran, Malawi, Mongolia, Philippines, Sudan, Swaziland, Tajikistan, Uganda, Zambia and Zimbabwe.

She then held senior management level positions for nearly ten years in the Headquarters of ACF International Network. Most recently, this included 2 years at ACF Paris Headquarters as Senior Nutrition Adviser from 2009-2010, with overall responsibility for organisational nutrition policy and strategy; the development, coordination and follow-up of field nutrition activities; advocacy, research and technical development with a particular focus on CMAM, donor liaison and proposal development, ensuring appropriate training and support to HQ and field-based nutrition staff, organisation and implementation of technical workshops, external coordination and representation, development of partnerships with both academic and technical bodies

Rebecca has extensive experience of networking and coordination at global and national level with a broad range of actors in Public Health Nutrition and Food Security. She has English as her mother tongue, good spoken and written French and Russian.


Lynn Owen

Lynn Owen brings a solid background in administration, financial reporting, programme design, project delivery, operational performance and customer account management. Relevant recent project, desk officer and administrative work includes roles for Tufts University, Valid Evaluations and NutritionWorks, where she is a part-time finance and administration officer


Jane Keylock

Jane Keylock has over 15 years of expertise, across Africa and Asia, in nutrition and food security, with extensive experience of managing and implementing emergency nutrition programmes as well as supporting national governments, UNICEF Country Offices and NGOs to deliver nutrition services.   Her capacity strengthening experience has also included supporting health-workers in Timor-Leste and the Solomon Islands to implement high impact nutrition interventions.

She has been strongly involved with the ‘Maximising the Quality of Scaling Up Nutrition initiative’ through which she has supported the Lao Government to develop a multisector monitoring framework and DFID Pakistan to develop a multisector nutrition programme.  Jane contributed to a scoping study World Vision on integrating nutrition into agriculture and food security.  She is also an experienced evaluator. Jane has been the nutrition expert on Country Portfolio Evaluations for WFP in Indonesia and Timor Leste, was a team member for the evaluation of Sida’s humanitarian Programme, and was also an expert for the evaluation of WFP’s Nutrition Policy.   Additional experience has included analysing the domestic response to humanitarian crises, particularly from a financial perspective.

Jane became a Partner in June 2014.