The Auditability Problem in Impact Data Reporting
Why most impact reports are well-structured but not auditable, and what respondent-level data lineage requires operationally.
Hans Aroni · 2026-08-10
The Five Dimensions of Impact: An Overview
How IRIS+'s five dimensions of impact — What, Who, How Much, Contribution, and Risk — function together, and where they conflict with each other in practice.
Admin · 2026-07-21
Additionality in Impact Investing: Definition and Application
How additionality is actually assessed in practice in impact investing, and where practitioners' claims of additionality tend to fail scrutiny.
Admin · 2026-07-07
The Case for a Dedicated Impact Reporting Function
Why impact reporting typically lacks the institutional support financial reporting has, and what that structural gap costs organizations.
Admin · 2026-06-23
IRIS+ Metrics at a Glance
A practical orientation to IRIS+, the GIIN's impact measurement system, for investors about to operationalize it across a portfolio.
Admin · 2026-06-09