This report summarizes discussions of the Expert Meeting on Potential Studies of the IPCC Process. At its core is a set of recommendations and main outcomes of the meeting. It also contains summaries of meeting discussions of potential studies, as well as abstracts for the meeting’s key note presentations. The Intergovernmental Panel on Climate Change approved the “Principles to guide the IPCC’s engagement in potential studies of the IPCC process” as recommended by the Expert Meeting on Potential Studies of the IPCC Process (28-29 January 2015, Geneva, Switzerland) and contained in Annex 1 to this Decision.