Pierre Marion

Pierre Marion
Designation
Senior Research Associate
Body
Pierre supports the production of systematic reviews and evidence gap maps at our Synthesis and Reviews Office.
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Blogs by author

Addressing irregular migration: Insights from 3ie’s latest evidence synthesis

3ie has updated its 2023 Evidence Gap Map (EGM) on interventions aiming to address the root causes and drivers of irregular migration. The updated map, released in early 2026, now covers 105 impact…

Updates to the irregular migration evidence gap map and implications for policy and research

Policymakers, researchers and practitioners now have access to the most up-to-date rigorous evidence base on interventions addressing root causes and drivers of irregular migration, a field in which…

Reaching SDG 15: Evidence shows how to protect land ecosystems by leveraging communities

Climate change threatens life on land – including us humans. Yet land resources and ecosystems hold some of the solutions to slow global warming and its harmful effects. The connections between…

Tackling food insecurity and malnutrition while building resilience in Sub-Saharan Africa: what works?

An upcoming rapid evidence assessment of the effects of information, capacity strengthening, and behaviour change interventionsThe global situation on food security and nutrition is alarming…

Learning from more than two decades of market access interventions for smallholder farmers

Subsistence or small-scale farming remains the primary source of livelihood for households in rural areas. Numerous factors inhibit farmers’ access and participation in markets—farmers being too far…