Our Collaborators

Yadjidé Adissoda Gbedo

Head of the PAPHyR program: Improvement of Access to Sanitation and Hygiene Practices in Rural Areas) (WSSCC / GSF Program)

Yadjidé coordinates the activities of PAPHyR executed in Benin. It implements the National Strategy for the Promotion of Basic Hygiene and Sanitation, with CLTS as the gateway.

Amita Bhakta

Freelance consultant on Water, Sanitation and Hygiene

Amita is a freelance consultant with 7 years’ experience in working on equality, non discrimination and inclusion in WASH. Amita holds a PhD on the WASH needs of perimenopausal women making the transition to the menopause in urban Ghana.

Petra Bongartz

Independent consultant, Facilitator, Movement Medicine Teacher

Co-founder and former staff member at the CLTS Knowledge Hub, IDS, now consultant with 13 years' experience of knowledge management, participatory workshop facilitation, communications and networking. Interested in behaviour change and embodied leadership in environment and social justice.

Naomi Carrard

Research Director

A social scientist and researcher focused on WASH in Asia and Pacific regions, Naomi’s research includes WASH-gender equality nexus, integration between WASH and planetary boundary considerations, and approaches to progressing Human Rights to Water and Sanitation at local government level.

Nanpet Chuktu

Programme Manager

Nanpet’s team, using demand-led initiatives and innovations in sanitation achieved Nigeria’s first ODF Local Government in 2016. They have since produced three more local government areas, demonstrating how sanitation models can be taken to scale to reach whole geographic regions.

Naomi Francis

Research Fellow

Naomi Francis is a researcher and educator in the water, sanitation and hygiene (WASH) sector. She is based in Melbourne, Australia and works in Asia and the Pacific.

Aashish Gupta

PhD Candidate, Demography and Sociology, , University of Pennsylvania

Aashish grew up in Delhi, India. He completed a 5 year integrated MA in Development Studies from the Indian Institute of Technology, Madras. His research interests include social inequality (caste, gender and age), health, environment, demography and social policy.

Suzanne Hanchett


Suzanne, an applied anthropologist focused on South Asia, has worked on sanitation issues in Bangladesh since 1997. Her special expertise is in programme evaluation, monitoring, participatory planning, women’s human rights and development, and combining qualitative and quantitative research methods.

Sophie Hickling

Sanitation and Hygiene Capacity, Strategy and Knowledge Consultant

Sophie has more than 20 years’ experience in sanitation and hygiene approaches, programmes, and strategy development. She is specialised in individual, team, and institutional capacity building, as well as knowledge management and knowledge exchange processes

Sarah House

Freelance WASH Consultant / Public Health Engineer

Public Health Engineer with 30 years-experience in development, humanitarian and fragile contexts in Africa and Asia. Passionate about building capacities to better involve, work together with and support people who are most disadvantaged and excluded, and people living with incontinence.

Andrés Hueso

Senior Policy Analyst – Sanitation

Andrés provides strategic leadership to WaterAid's sanitation policy, research and advocacy. He has a cross-disciplinary background, combining an engineering degree and extensive development research experience, including a PhD focused on rural sanitation in India.

Chelsea Huggett

Technical Lead, Equality and Inclusion

Chelsea focuses on reducing inequalities in access to water, sanitation and hygiene in Southeast Asia and the Pacific region. She has led research, policy and advocacy efforts for eight years on issues of disability inclusion, gender equality and menstrual health.

Jeremy Kohlitz


Jeremy is a water, sanitation, and hygiene (WASH) researcher specialising in applied and transdisciplinary research. His interests include climate change and WASH, rural WASH sustainability in the Asia-Pacific region, sanitation in informal settlements, and WASH services in Pacific island countries.

Lillian Mbeki


Founder and CEO of Ellem Marketing & Communications, which contributes towards creating social impact through BCC, social marketing, and innovative social enterprises, Lillian is dedicated to understanding how people think and decide and developing innovative approaches for positive lasting behaviours.

Vinod Mishra

India Coordinator

Vinod Mishra is the India Coordinator for WSSCC and has developed their strategy to support SBM-G in India. Recent work includes policy advocacy initiatives to promote collective behaviour change, Leaving No One behind, capacity building, MHM and Rapid Action Learning.

Joanna Mott

Gender and Social Inclusion Advisor

Joanna is the Gender and Social Inclusion (GSI) Advisor for the Water for Women Fund. With 25 years’ experience working in international development, principally in the areas of GSI and WASH, she’s interested in facilitating adult learning for transformative change.

Nilanjana Mukherjee


Nilanjana Mukherjee, an independent social development professional, has worked for three decades through The World Bank and UNICEF, with country governments in Asia and Africa facilitating policy learning, sector reform and capacity building to improve access to improved WASH services.

Hanh Nguyen

Regional Program Director

I have 13 years’ experience in WASH in the SEA region, focused on women’s empowerment and social inclusion, results-based financing, monitoring and evaluation. I pioneer innovative approaches to solve fecal sludge management challenges and advocate private sector engagement in Vietnam.

Bioye Ogunjobi

WASH Specialist

Bioye is a WASH specialist for the UNICEF Country Office Abuja, Nigeria. As a WASH Specialist in charge of Sanitation, Bioye supports the Federal Government of Nigeria in the bid to end open defecation in the country by 2025 .

Philip Otieno

Wash Specialist

For over 10 years Philip has worked in the WASH sector facilitating national and international workshops leading to successful CLTS roll out in Africa, and capacity building of partner organizations in strengthening and mainstreaming hygiene and sanitation in their programmes.

Katherine Pasteur

Freelance Consultant

Katherine has over 20 years of experience in the development sector, principally in the fields of community led total sanitation, disaster risk reduction and sustainable livelihoods. Experience includes carrying out evaluations; delivering training; documenting lessons; and producing online learning resources.

Tom Rankin

Program Manager - WASH

Tom is an engineer who found social behaviour change to be the greatest engineering challenge. With 15 years’ experience working across Australia, Eastern Africa, East Asia and the Pacific, Tom is a passionate WASH Program Manager at Plan International. Australia.

Florencia Rieiro

WASH Consultant

Florencia has professional experience in research, monitoring, evaluation and learning, knowledge management and capacity building on topics related to water, sanitation and hygiene (WASH) in developing countries. Technical support to policy and programming working with academia, development agencies and NGOs.

Andy Robinson


An independent WASH specialist based in the French alps, working for more than 30 years on design, implementation, evaluation and research of water supply, sanitation and hygiene services in Africa and Asia.

Sharon Roose

WASH Advisor

Sharon Roose is a WASH Advisor in SNV with experience in the management and implementation of WASH projects. She currently leads the WASH component within the multi-country Voice for Change Partnership (V4CP) evidence-based advocacy programme.

Lewnida Sara

Operations Analyst

Lewnida Sara is an Operations Analyst with the World Bank Group based in Kenya. Lewnida has been supporting the Government of Kenya towards the attainment of Kenya’s sanitation goals. She currently also supports various lending projects within the WASH sector.

Warren Mukelabai Simangolwa

Health Economist

Warren is passionate about healthcare priority setting and its aligned tools to enable decision makers confidently allocate health budgets. Warren's research interest is in health financing, Health Interventions & Technology Assessments, econometrics and affordability.

Daniel Kitasian Sironka

Assistance Chief Public Health Officer

A Senior Health Manager in Civil Service with 25 years’ experience, implementing, promoting health programmes, monitoring compliance to urban and rural sanitation standards in various communities, networking with International (SUWAS), local partners and government agencies in advocating health issues.

Puneet Srivastava

Urban WASH Advisor (Utilities)

Puneet is well known international expert on Water, Sanitation and Hygiene (WASH) both in rural and urban context. He has been working on WASH in many countries including India with many international & national organizations for more than 20 years.

Cathy Stephen

Global Technical Lead, Behaviour Change Communication

A global technical adviser who has worked for international NGOs across Africa and South Asia. Her expertise is in social behaviour change, sanitation and hygiene, gender and inclusion, technical and strategic guidance, capacity building and participatory design and facilitation.

Adama Sy

Head of Department of Social Engineering

Adama has worked for over 20 years in behaviour change communication in the areas of nutrition, hygiene and sanitation in both peri-urban and rural areas. She is also experienced in the empowerment of women and the management of menstrual hygiene.

Ann Thomas

Chief of Water, Sanitation and Hygiene, UNICEF Indonesia

Ann Thomas is Chief of the WASH program, UNICEF Indonesia. A humanitarian with over two decades of experience, and dedicated to generating access to water and sanitation for the poorest, her work focuses on urban sanitation and innovative financing approaches.