The Impact Triplet: Communication, Knowledge Management and Theory of Change in Development Organizations
- Fernando Arévalo

- May 8
- 2 min read
Updated: Jun 2
In development organizations, I see firsthand how various elements interact to achieve our mission. Today I want to highlight a trio of key elements that I believe drive our impact: effective communication, robust knowledge management and a clear and living theory of change. These are not isolated elements; they are intrinsically linked and mutually reinforcing to propel us toward sustainable and meaningful change.
Our Theory of Change is essentially our roadmap. It is the articulation of how we believe change will occur in the communities and systems we work with. It defines our long-term goals, the intermediate outcomes needed, and the activities we will implement, based on a set of assumptions about how it will all work. It is our working hypothesis about impact.
However, a theory of change, no matter how well designed, is only a document if it is not continuously communicated and nurtured. This is where Communication comes in. Clear and consistent internal communication ensures that all staff, from management to the field team, understand this theory of change, their role in it, and how their activities contribute to the desired results. This fosters alignment, commitment and a shared sense of purpose. Externally, we communicate our theory of change to partners, donors and grantees, building trust, transparency and facilitating collaboration around a shared vision.
But communication not only conveys the theory of change; it is also the vehicle for Knowledge Management. Knowledge management involves identifying, capturing, organizing, sharing and utilizing information, experiences and lessons learned inside and outside the organization. It is the process of transforming data and information into useful knowledge that informs our decisions and actions.
The relationship here is powerful. Effective communication facilitates knowledge gathering: through feedback channels, discussions, reports and the simple act of listening to those on the ground.Simultaneously, good knowledge management provides valuable content for communication.When we systematize our experiences, identify good practices and document lessons learned, we have compelling stories and solid evidence to communicate our progress, challenges and learnings.
Now, let's close the circle by returning to the theory of change. Knowledge management is crucial to validate and adjust it.By gathering and analyzing information about what works, what doesn't and why, we generate the evidence needed to reflect on our initial assumptions. Are our activities producing the expected results? Are our assumptions about how change will occur valid?Knowledge gained through implementation and evaluation, facilitated by open communication and efficient knowledge management systems, allows us to adapt our theory of change, making our approach more effective and relevant.
In short, communication is the glue that binds people and ideas around the theory of change.
Knowledge management is the process that ensures we learn from our implementation and the context in which we operate.
And theory of change is the framework that guides both our communications and our knowledge management efforts, ensuring that they are focused on achieving our desired impact.
For us in the development sector, strategically integrating these three elements is not an option, it's a necessity. It's how we maximize our potential to create real and lasting change in people's lives.





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