Our team

Aminul Islam Sohan

Digital Services Specialist

Aminul Islam Sohan has joined WSUP as the Digital Service Specialist. He brings over 12 years of diverse experience spanning academia, research, development, consultancy, and the commercial sector — with a strong focus on WASH, waste management, and digital services. Over the years, he has worked with organizations such as ITN-BUET, ASGD, Mogadishu University, DSK, BRAC, Practical Action, BPCL, and Abt Associates. Mr. Sohan is a Civil Engineer and holds a master’s degree in development studies. He is passionate about using digital innovation and data-driven approaches to strengthen utility service delivery and promote sustainability.

Rajasree Guha

Partnerships and Fundraising Manager

With over four and a half years of experience driving resource mobilization in the non-profit sector, Rajasree has built strategic partnerships across climate, gender, education technology, literacy and numeracy, and skills development initiatives. She has successfully collaborated with philanthropic foundations, corporate partners, and major bilateral and multilateral agencies.  She is currently the Global Fundraising and Partnership Manager at Water, Sanitation & Urban Populations (WSUP), advancing impactful urban WASH solutions worldwide.

David Mulemba

Project Officer – Engineering

David is a dedicated Water and Sanitation Engineer with over nine years of experience in rural, peri-urban, and urban WASH project planning, infrastructure development, and capacity building. His expertise includes GIS and Remote sensing, the design and rehabilitation of water supply and sanitation systems, and the integration of climate-resilient and nature-based solutions to strengthen sustainable service delivery. He possesses functional knowledge in IWASH engineering and Integrated Water Resources Management. He is committed to advancing inclusive WASH solutions and contributing to SDG 6 for vulnerable communities.

Clement Banda

Project Officer – Engineering

Clement Banda is a Civil and Environmental Engineer with over 11 years of experience delivering infrastructure, WASH, and construction projects across Zambia. He has worked with leading international partners, including JICA, the Millennium Challenge Account (MCA Zambia), and consultants such as NIHON SEKKEI (Japanese) and Mariswe consultants, contributing to hospital upgrades, large-scale water supply systems, and high-lift pumping infrastructure. His technical expertise spans reinforced concrete works, mechanical and electrical supervision, QA/QC, stakeholder coordination, and compliance with ZEMA, ERB, MCC, and donor requirements. Clement is known for his strong leadership, analytical problem-solving, and commitment to delivering high-quality, impactful infrastructure that improves communities and supports national development.

Antsa Neilly

Finance Assistant

Antsa Neilly is the finance assistant for WSUP Madagascar. She is pursuing a master’s degree in accounting, control, and audit at INSCAE. She has done four internships before joining WSUP Madagascar. Her previous experiences were at ARO Insurance, FTHM Consulting, MGI QUALEX, and BIOS. Antsa is someone who likes to be quite organized, data-driven, and has a great sense of analysis.

Md. Jahangir Alom

Senior Officer, WASH Technical & Municipal Coordination

Md. Jahangir Alom is working as Senior Officer, WASH Technical & Municipal Coordination at WSUP Bangladesh. He has 14 years of experience in climate-resilient WASH infrastructure, waste management, project design, BOQ preparation, implementation, and construction management across both the development and engineering sectors. Over the years, he has worked with organizations such as SHDL, DSK, and BRAC. He holds a B.Sc. and a Diploma in Civil Engineering and has received specialized training from ITN-BUET and RedR Australia.

Anzo Francis

Director of Finance

Anzo is responsible for the strategic development of WSUP’s global finance function, providing strategic support to the CEO and SMT and input to the Board, Finance and Audit Committees, and WSUP subsidiaries. Anzo ensures the group’s financial systems are robust, legally compliant and support current activities and future growth plans. A law graduate and fellow of the Institute of Chartered Accountants in England and Wales (FCA), Anzo began her career in audit, finance and tax at Milne Ross and KPMG then moved into senior finance roles in industry and commerce, including housing, property, retail, energy consulting, education, business membership organisations and international development. Anzo joined WSUP in February 2020 and brings a wealth of commercial, financial and legal expertise and insight to WSUP's senior leadership team.

Ed Mitchell

Chief Executive; WSUP Advisory Chairman

Ed joined WSUP as CEO in June 2022. Previously, he was a Director at Pennon Group, the owners of South West Water, Bournemouth Water, Bristol Water, and Viridor, and Executive Director of Environment and Business at the Environment Agency for nearly a decade. He was also the Director of Environment and Corporate Responsibility at Thames Water. Ed holds a Master of Science (MSc) in Water and Wastewater Engineering from Cranfield University and was previously involved with WSUP as a non-executive director following its foundation in 2005.

Jeremy Horner

Director of Global Programmes

Jeremy started at WSUP in 2016. His current role involves leading the strategic development of the six WSUP country programmes. Having started out as an engineer, Jeremy’s career has developed with roles in the commercial, public and non-profit sectors. This includes time with the Department for International Development, and as a CEO for a UK NGO, during which time he completed a management degree.

Emma Bakhle

Head of Fundraising

Emma joined WSUP in January 2021 bringing with her more than 20 years’ fundraising experience in the health and disability sectors, including over 12 years focused on international development. A new business specialist, Emma joined from the International Planned Parenthood Federation (IPPF) where for 7 years she led the management of global partnerships with foundations and created new income streams from the private sector focusing on the needs of workers in global supply chains, to fund health services, advocacy, and social and behaviour change communications. Prior to IPPF, she worked for Leonard Cheshire Disability, Whizz-Kidz and the NHS, and was in advertising sales before her move into the charity sector.

Sam Drabble

Director of Evaluation and Research

Sam Drabble is an urban WASH professional with over 10 years’ experience in urban WASH research, programme evaluation and peer-to-peer learning. He holds organisation-wide responsibility for the Evaluation, Research and Learning function at WSUP. While at WSUP Sam has supported the rollout of research programmes across WSUP's seven programme countries, authored or edited over 60 WSUP technical publications, and led research studies for World Bank, WHO,  ESAWAS and UN Habitat among others. Prior to joining WSUP, Sam worked as Analyst in the Evaluation and Performance Management team at RAND Europe. This built on experience with the learning and development team at the UK Institute for Government.

Reuben Sipuma

Senior Country Manager, Zambia/Regional Policy and Regulatory Lead

Reuben has managed the WSUP Zambia programme since 2008 and has over 17 years’ experience in water and sanitation service delivery, working with the government and its mandated service delivery institutions. Before joining WSUP, Reuben worked in WASH consulting services, helping deliver a number of government programmes that targeted poor communities across Zambia. He has managed the establishment of the only faecal sludge management model in Zambia serving the urban poor.