Samuel Nii Ardey Codjoe is a Professor of Population Studies at the Regional Institute for Population Studies (RIPS), University of Ghana, where he teaches, conducts research and mentors students in population studies.  He obtained a B.A (Hons) degree in Geography and Resource Development from the University of Ghana (1992), Master of Philosophy degree in Human Geography from the University of Oslo, Norway (1998), and a PhD degree in Geography and Soil Science from the University of Bonn, Germany (2004). His research areas include population-environment nexus, migration, fertility, and climate change/variability and its impact on livelihoods, and he has published extensively on these issues.

Codjoe has worked on several international research projects on climate change with collaborators in Africa, Asia, Europe, North America, the United Kingdom and Australia. Some of the projects are DECCMA, MISTY, EHICAS, and REFIT, VEWEC, etc. 

Codjoe is a Co-Investigator on the HABITABLE project and will co-lead WP1, WP3 and WP5 research activities in Ghana.