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Dr Lauren D'Mello-Guyett

Assistant Professor

United Kingdom

Lauren D’Mello-Guyett is an Assistant Professor in the Environmental Health Group at the London School of Hygiene & Tropical Medicine (LSHTM). Her research spans nutrition, malaria, cholera, water, sanitation, and hygiene (WASH) and climate change, with a focus on both humanitarian and non-crisis settings. Lauren specialises in mixed-methods approaches, with a growing emphasis on implementation science and process evaluations to improve programme effectiveness and health outcomes.

 

She collaborates with leading organisations such as Médecins Sans Frontières (MSF), Action Contre La Faim (ACF), and UNICEF, bringing together field experience and academic rigour. Prior to her role at LSHTM, Lauren managed WASH, nutrition, and HIV/AIDS programmes for NGOs across Sub-Saharan Africa and Asia.

 

Lauren holds a BSc in Biology from the University of Nottingham (2011), an MSc in the Control of Infectious Diseases from LSHTM (2012), and a PhD in Epidemiology and Population Health from LSHTM (2022).

Affiliations

Department of Disease Control
Faculty of Infectious and Tropical Diseases

Centres

Centre for Evaluation
Health in Humanitarian Crises Centre
Centre on Climate Change and Planetary Health

Teaching

Teaching roles at LSHTM:

  • Module Organiser, Designing Public Health Programmes (3457) 
  • Lecturer, Evaluation of Public Health Interventions (1127)
  • Lecturer, Fundamentals of Climate Change and Planetary Health (2609)


Personal Tutor for students on: 

  • MSc Control of Infectious Disease
  • MSc Public Health for Development

 

MSc Thesis / Dissertation Supervisor for students on: 

  • MSc Control of Infectious Disease
  • MSc Public Health for Development
  • MSc Public Health

 

Externally:

  • Lecturer at Imperial University, the Worshipful Society of Apothecaries, the University of Birmingham and Johns Hopkins University.

Research

Water, Sanitation and Hygiene; Nutrition; Malaria; Infectious Diseases; Climate Change

Research Area
Disease control
Environmental Health
Evaluation
Health outcomes
Impact evaluation
Outbreaks
Operational research
Implementation science
Disease and Health Conditions
Diarrhoeal diseases
Hospital acquired infection
Malnutrition
Infectious diseases
Cholera
Disability
Malaria
Region
Sub-Saharan Africa (all income levels)
South Asia

Selected Publications

Extreme weather and sanitation in Bangladesh: a mixed-methods study of lived experiences of people with disabilities.
Nawaz, S; WILBUR, J; Upoma, TA; Tabassum, KF; Goshami, A; Podder, B; Akter, J; Hasan, M; D'MELLO-GUYETT, L; Shoaib, DM; Ruuska, D; BANKS, LM; KOVATS, S; Chen, S; Alam, M-U;
2026
The Lancet Regional Health - Southeast Asia
Bridging communities of practice: lessons from the Humanitarian Health Research Forum on climate, crisis, and collaboration.
MCKAY, G; Alefaio, S; Beecroft, B; D'MELLO-GUYETT, L; Karanja, A; LeBoa, C; Ngongo, C; RAO, VB; RATNAYAKE, R; Wilunda, C; Kiage, B;
2025
The Lancet Planetary Health
Association of Water, Sanitation, Hygiene and Animal Ownership With Relapse to Acute Malnutrition Among Children Aged 6-59 Months in Mali, South Sudan and Somalia: A Multi-Site Prospective Cohort Study.
D'MELLO-GUYETT, L; King, S; Chabi, SM; Mohamud, FA; Lamaka, NG; Agong, J; Mohamed, M; Koné, K; Gallandat, K; Gose, M; Omar, MS; Bunkembo, M; Trehan, I; Marshak, A; Ayoub, K; Olad, AH; Aliou, B; Stobaugh, HC; CUMMING, O;
2025
Maternal and child nutrition
Advancing the evidence for water, sanitation, and hygiene (WASH) systems strengthening: A Delphi study to define research priorities
D’Mello-Guyett, L; Sylvester, R; Huston, A; Levira, B; FALCONER, J; Butterworth, J; Ngai, TK K; Reed, B; Luseka, E; Grisaffi, C; Bartram, J; DREIBELBIS, R; Evans, B; Hutchings, P;
2025
PLOS Water
Rates and risk factors for relapse among children recovered from severe acute malnutrition in Mali, South Sudan, and Somalia: a prospective cohort study.
King, S; Marshak, A; D'MELLO-GUYETT, L; Yakowenko, E; Chabi, SM; Samake, S; Bunkembo, M; Diarra, S; Mohamud, FA; Sheikh Omar, M; Lamwaka, NG; Gose, M; Ayoub, K; Hersi Olad, A; Bagayoko, A; Trehan, I; CUMMING, O; Stobaugh, H;
2025
The Lancet. Global health
Research priorities for water, sanitation and hygiene (WASH) in humanitarian crises: A global prioritisation exercise
D'MELLO-GUYETT, L; Heylen, C; Rohm, E; FALCONER, J; Lapegue, J; DREIBELBIS, R; Ramos, M; CUMMING, O; Lantagne, D;
2024
PLOS Water
Risk factors for food contamination among children discharged from community management of acute malnutrition programmes in South Sudan: A cross-sectional study and hazard analysis critical control point approach.
WELLS, J; Abugo, DG; Angong, J; Lamwaka, NG; Gallandat, K; Hassan, JL; Deng, L; Save, D; BRAUN, L; Gose, M; Amanya, J; Ayoub, K; King, S; Stobaugh, H; CUMMING, O; D'MELLO-GUYETT, L;
2023
Maternal & child nutrition
A multi-country, prospective cohort study to measure rate and risk of relapse among children recovered from severe acute malnutrition in Mali, Somalia, and South Sudan: a study protocol.
King, S; D'MELLO-GUYETT, L; Yakowenko, E; Riems, B; Gallandat, K; Mama Chabi, S; Mohamud, FA; Ayoub, K; Olad, AH; Aliou, B; Marshak, A; Trehan, I; CUMMING, O; Stobaugh, H;
2022
BMC Nutrition
Identifying transferable lessons from cholera epidemic responses by Médecins Sans Frontières in Mozambique, Malawi and the Democratic Republic of Congo, 2015-2018: a scoping review.
D'MELLO-GUYETT, L; CUMMING, O; ROGERS, E; D'hondt, R; Mengitsu, E; Mashako, M; Van den Bergh, R; Welo, PO; Maes, P; CHECCHI, F;
2022
Conflict and Health
Effectiveness of hygiene kit distribution to reduce cholera transmission in Kasaï-Oriental, Democratic Republic of Congo, 2018: a prospective cohort study.
D'MELLO-GUYETT, L; CUMMING, O; Bonneville, S; D'hondt, R; Mashako, M; Nakoka, B; Gorski, A; Verheyen, D; Van den Bergh, R; Welo, PO; Maes, P; CHECCHI, F;
2021
BMJ open
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